question

Which * class="smfm-flex-item">CH3 line n line ch3 two dots over n line down from n ch3

answer

potassium sulfide

question

There are 8 isomers that have the molecular formula C5H11Br. How many of these are tertiary alkyl bromides?

answer

1

question

Which of the following is sec-butyl alcohol?

answer

CH3CH per OH close per CH2CH3

question

Identify the number of tertiary carbons in the following structure.

answer

3

question

What is the common name for the following structure? ch3-ch-ch3 WITH ch3 in bottom?

answer

isobutane

question

Give the IUPAC name for the following structure: 4 slashs left with 3 slashes up 2 slashes on right with one down

answer

4-Isopropyloctane

question

There is something wrong with the following name. Write the structure and correct the name: 2-ethylpropane.

answer

ch3 line ch line ch3 down connect from ch line ch2 line ch3 2-methylbutane.

question

Give structures for the three isomers with molecular formula C5H12 and provide the common name of each.

answer

up 4 swigs is pentane up 3 swigs with line up is isopentane cross is neopentane

question

Provide an acceptable name for the alkane shown below. CH3CH2CH2CH2CH2CH3

answer

hexane

question

Provide an acceptable name for the alkane shown below. ch3 line ch line ch2ch2ch per ch3 closed per 2 with down connect from ch line ch2ch3

answer

2,5-dimethylheptane

question

Provide an acceptable name for the alkane shown below. ch3 up 7 swig fourth dip line down start ch3 up 3 swigs to ch3 end of main 3 lines ch3 at ends

answer

5-sec-butyl-2,2-dimethylnonane

question

Provide an acceptable name for the alkane shown below. ch3 to ch2 to ch2 to ch2 to ch2 to ch2 to ch to ch2 to ch2 to ch3 with line up from ch to ch per ch3 closed 2

answer

4-isopropyldecane

question

Provide an acceptable name for the alkane shown below. ch3 to ch2 to ch2 to ch to ch to ch2 to ch to ch2 to ch3 up connect from first ch line ch3 second ch line down ch2ch2ch3 third ch up line ch2ch3

answer

3-ethyl-6-methyl-5-propylnonane

question

Provide an acceptable name for the alkane shown below. ch3 to ch2 to ch2 line c line c line h connect first c up ch3 down ch3 second c up ch2ch3 down ch2ch3

answer

3-ethyl-4, 4-dimethylheptane

question

Draw an acceptable structure for 4-t-butyloctane.

answer

ch3 down 7 swigs end ch3 3rd dip down c per ch3 close per 3

question

Draw an acceptable structure for 3-ethyl-3-methylhexane

answer

ch3 to ch2 to ch2 line to c line to ch2 to ch3 with up line from c to ch3 and line down to ch2 ch3

question

Draw an acceptable structure for 4-isopropyl-2-methylheptane.

answer

ch3 to ch to ch2 to ch to ch2 to ch3 with line connect from first ch to ch3 and line down from sec ch to ch per ch3 close per 2

question

Draw an acceptable structure for 6-ethyl-2,6, 7-trimethyl-5-propylnonane.

answer

ch3 up 8 swig lines to ch3 first dip line ch3 fourth dip line to two swig to left to ch 3 fifth dip v to ch3 on right and left line up to ch3 sixth dip to ch3

question

Provide an acceptable name for the alkane shown below. ch3 line c line ch2ch2ch per ch3 closed per 2 line up from c c per ch3 closed per 3 line down h

answer

2,2,3,6-tetramethylheptane

question

Provide an acceptable name for the alkane shown below. ch3 ch2 ch2 ch2 line c up line h down line ch3 ch2 line c line up ch2 ch2 ch per ch3 closed per 2 line ch2 ch2 ch3

answer

6-ethyl-2-methyl-5-propyldecane

question

Give the systematic name of the alkane shown below. 6 swigs three branch on right second dip line up line right fifth dip line down line right

answer

4-ethyl-2,2,7-trimethylnonane

question

Give the systematic name of the alkane shown below. 6 swigs fourth dip line down with 4 swigs fifth dip line up

answer

3-ethyl-4-isopropyloctane

question

Name the compound ch3 line ch line ch line ch2 ch3 from first ch up ch2 ch3 from sec ch ch2 ch2 ch3

answer

4-ethyl-3-methylheptane

question

Provide an acceptable name for the compound shown below. up 5 swig dip 2 with down v dip four line down and right line

answer

3,3,5-trimethylheptane

question

Provide an acceptable name for the compound shown below. up 6 swig first dip a v down fourth dip down line right 2 swig

answer

5-ethyl-3,3-dimethyloctane

question

Give the systematic name of the cycloalkane shown below. hexagon with line on right to h3c right down line to h3 left bottom line ch2 ch2 ch2 ch3

answer

4-butyl-1,2-dimethylcyclohexane

question

Draw an acceptable structure for sec-butylcyclopentane.

answer

pentagon left top dip half of a octogon

question

Provide the systematic name of the compound shown hexagon with 4 swig bottom half pentagon right

answer

4-butyl-1-ethyl-2-methylcycloheptane

question

Give the formula looks like a rat

answer

c8h14

question

Name the compound pentagon with right line to ch down connect to ch2 up connect c to ch2 ch up ch3 down ch2 ch2

answer

2-cyclopentyl-4-methylhexane

question

Determine the number of hydrogens in limonene.

answer

16

question

Provide an acceptable name for the compound shown below. hexagone with right bottom line out and down to v shape

answer

isobutylcycloheptane

question

Provide an acceptable name for the compound shown below. cl up 7 swig line third dip v shape with br attached to each

answer

3,3-dibromo-1-chloroheptane

question

Provide the common name of the compound h3c v line to ch v line down to h3c attached to ch line ch2 ch2 ch2 ch2 cl

answer

isoheptyl chloride

question

Provide the IUPAC name of the compound. h3c v line to ch v line down to h3c attached to ch line ch2 ch2 ch2 ch2 cl

answer

1-chloro-5-methylhexane

question

What is the common name for the following structure? ch3 line c line br up line from c ch3 down line from c ch3

answer

t-Butyl bromide

question

Give the IUPAC name for the following compound: hexagone right up line ch3 right down line cl

answer

1-chloro-2-methylcyclohexane

question

Which of the following is di isopropyl ether?

answer

per CH3 close per 2CHOCH per CH3 close per 2

question

Draw all ethers with molecular formula C4H10O.

answer

up 4 swigs first dip circle down 4 swigs sec dip circle up three swig first dip circle sec dip line down

question

Draw all possible constitutional isomers for C2H6O and give common names for each structure.

answer

H to c to c to oh two dots low n high each c connect to h up n down ethyl alcohol h to c to o with dots top n bottom to c to h with h connect to c both top n bottom dimethyl ether

question

Give the IUPAC name for the following structure: hexagon with ch3 oh cl attached

answer

5-chloro-2-methylcyclohexanol

question

Which of the following compounds does not have the molecular formula C6H14O?

answer

cyclohexanol

question

Give the structure of isopentyl alcohol.

answer

side v end ch3 connect to ch line to ch2 ch2 oh

question

Provide the systematic name of the compound shown. up 6 swig first dip up with v fourth dip line to oh

answer

6,7-dimethyl-3-octanol

question

Name the structure. h3c line ch line ch2 ch2 ch2 ch2 cl with line down from ch to oh

answer

6-chloro-2-hexanol

question

Provide an acceptable name for the compound shown below. hexagon top line up n right bottom line down to right low line to oh

answer

5-ethyl-2-methylcyclohexanol

question

Provide an acceptable name for the compound shown below. up 4 swig third dip up line to hn up 2 swig

answer

N-ethyl-2-pentanamine or N-ethylpentan-2-amine

question

Classify the following amines as primary, secondary, or tertiary

answer

prime , sec , sec

question

Provide the common name of the compound. h3c line c line ch3 connect from c up line ch3 down line n v shape h3c on right ch3 left

answer

tert-butyldimethylamine

question

Provide the IUPAC name of the compound. h3c line c line ch3 connect from c up line ch3 down line n v shape h3c on right ch3 left

answer

N,N,2-trimethyl-2-propanamine

question

Provide the IUPAC name of the compound. h2nch2ch2ch2ch2oh

answer

4-amino-1-butanol

question

Draw the structure of 3-chloro-N-ethyl-2-hexanamine.

answer

hexagon no right side line from the right ch3 n with line connect to h down to next dip line out to h3c next dip line cl then add two swig to ch3

question

Give the structure of tetramethylammonium chloride.

answer

ch3 line n line ch3cl from n line up ch3 line down ch3 + on m neg on cl

question

Draw the structure of N-ethyl-5-methyl-3-hexanamine.

answer

two hexagon together on left no line to h3c bottom h on right outer line out and v connect ch3 and ch3 with end to ch3

question

Fluorine is more electronegative than chlorine yet the carbon-fluorine bond in CH3-F is shorter than CH3-Cl

answer

Chlorine is a larger atom than fluorine and uses a 3p rather than 2p orbital. The overlap of a 2sp3 orbital with a 3p orbital is not as good as the overlap of a 2sp3 orbital with a 2p orbital, causing the bond to be longer and weaker.

question

Identify the compound with the highest bond angle.

answer

the C-N-C bond in a quaternary amine

question

Identify the compound with the highest boiling point.

answer

CH3CH2CH2CH2OH

question

Identify the compound(s) that do not have hydrogen bonding.

answer

CH3CH2CH2CH2Cl and CH3CH2CH2OCH3

question

Which of the following will have the lowest boiling point?

answer

CH4

question

Which of the compounds below will form hydrogen bonds between its molecules?

answer

CH3NHCH2CH3

question

Which of the following has the greatest van der Waal's interaction between molecules of the same kind?

answer

ch3ch2ch2ch2ch3

question

Which of the following has the lowest boiling point?

answer

CH3CH2CH2CH2CH2CH2CH3

question

Which of the following has the greatest solubility in CH3CH2CH2CH3?

answer

(CH3)3CH

question

Which of the following is the most soluble in H2O?

answer

CH3CH2OH

question

Which of the following would have the highest boiling point?

answer

HO line CH2CH2CH2CH2 line OH

question

Consider the three isomeric alkanes n-hexane, 2, 3-dimethylbutane, and 2-methylpentane. Which of the following correctly lists these compounds in order of increasing boiling point?

answer

2, 3-dimethylbutane ; 2-methylpentane ; n-hexane

question

What is the strongest intermolecular force present in liquid ethanol?

answer

dipole-dipole, specifically hydrogen bonding

question

Assuming roughly equivalent molecular weights, which of the following would have the highest boiling point?

answer

a quaternary ammonium salt

question

Explain why the molecule shown below has a lower boiling point than CH3CH2CH2CH3.

answer

it has a greater contact area than isobutane

question

Primary and secondary amines exhibit hydrogen bonding; tertiary amines do not. Explain.

answer

because nitrogen is not connected to hydrogen

question

Explain why trimethylamine, (CH3)3N:, has a considerably lower boiling point than propylamine CH3CH2CH2NH2, even though both compounds have the same molecular formula.

answer

because boiling point is higher for propylamine

question

Which of the molecules below has the higher boiling point? Briefly explain your choice.

answer

CH3CH2CH2OH it is capable of intermolecular hydrogen bonding.

question

Would you expect sodium chloride (NaCl) to be highly soluble in the organic solvent hexane (CH3CH2CH2CH2CH2CH3)? Briefly explain your answer.

answer

Nonpolar solvent molecules do not solvate ions well. The attractions of oppositely charged ions to each other are vastly greater than the weak attractions of the ions for the solvent.

question

Which compound is more soluble in water? Briefly explain your choice.

answer

CH3CH2OH is more soluble in water since it can donate a hydrogen bond to water and accept a hydrogen bond from water

question

Which compound is more soluble in water? Briefly explain your choice.

answer

(CH3)2NH is more soluble in water since it can hydrogen bond with water

question

Which intermolecular force is primarily responsible for the interactions among alkane molecules?

answer

van de waal's

question

What is polarizability and how is it related to the size of an atom?

answer

Polarizability indicates the ease with which an electron cloud can be distorted larger atoms = loose nucleus = more distortion

question

Arrange the following amines in order of increasing boiling point, lowest bp to highest bp: (CH3)2CHCH2CH2NH2, (CH3)2CHN(CH3)2, and (CH3)2CHCH2NHCH3.

answer

per CH3 closed 2CHN per CH3 closed 2 < per CH3 closed 2CHCH2NHCH3 < per CH3 closed 2CHCH2CH2NH2

question

The eclipsed and staggered forms of ethane are said to differ in ________.

answer

conformation

question

Which of the following is the staggered conformation for rotation about the C1—C2 bond in the following structure?

answer

one

question

Among the butane conformers, which occur at energy minima on a graph of potential energy versus dihedral angle?

answer

gauche and anti

question

Which of the following best explains the relative stabilities of the eclipsed and staggered forms of ethane? The ________ form has the most ________ strain.

answer

eclipsed; torsional

question

Which of the following best explains the reason for the relative stabilities of the conformers shown?

answer

II has more torsional strain.

question

Which of the following statements about the conformers that result from rotation about the C2-C3 bond of butane is correct?

answer

none

question

Draw the Newman projection that represents the most stable conformation of 3,3-dimethylhexane viewed along the C3-C4 bond.

answer

circle peace sign top going right ch2ch3 to h to ch3 to ch2ch3 to h3c to h

question

Draw the Newman projection that represents the least stable conformation of 3,3-dimethylhexane viewed along the C3-C4 bond.

answer

circle peace sign top to right ch2ch3 to h close to ch3 to h close to h3c to h3ch2c close

question

Draw the Newman structure for the most stable conformation of 1-bromopropane considering rotation about the C1-C2 bond.

answer

circle peace sign from top to right br to h to h to ch3 to h to h

question

Draw a Newman projection of the most stable conformation of 2-methylpropane.

answer

circle peace sign from top to right ch3 to h to ch3 to h to h to h

question

Define the term conformation.

answer

Conformations are different arrangements of the same molecule formed by rotations about single bonds.

question

View a butane molecule along the C2-C3 bond and provide a Newman projection of the lowest energy conformer.

answer

circle peace sign top to right ch3 to h to h to ch3 to h to h

question

Provide a representation of the gauche conformer of butane.

answer

circle peace sign top to right ch3 to ch3 to h to h to h to h

question

Draw the Newman projection of the most stable conformation that results due to rotation about the C2-C3 bond in 2,3-dimethylbutane.

answer

circle peace sign from top to right h to ch3 to ch3 to h to h3c to h3c

question

Identify the most stable conformation of butane.

answer

anti

question

List the conformations in order of decreasing stability.

answer

6 to 3 and 5 to 1 and 4 to 2

question

Which of the following correctly ranks the cycloalkanes in order of increasing ring strain per methylene?

answer

cyclohexane < cyclopentane < cyclobutane < cyclopropane

question

Describe the source of angle strain and torsional strain present in cyclopropane.

answer

The angle strain arises from the compression of the ideal tetrahedral bond angle of 109.5° to 60°. The large torsional strain occurs since all C-H bonds on adjacent carbons are eclipsed.

question

Which of the following correctly lists the conformations of cyclohexane in order of increasing energy?

answer

chair < twist-boat < boat < half-chair

question

Which of the following is the most stable conformation of bromocyclohexane?

answer

3

question

In the boat conformation of cyclohexane, the "flagpole" hydrogens are located on ________.

answer

C-1 and C-4

question

Which conformer is at a local energy minimum on the potential energy diagram in the chair-chair interconversion of cyclohexane?

answer

twist-boat

question

The Keq for the interconversion for the two chair forms of methylcyclohexane at 25 °C is 18. What % of the chair conformers feature an axial methyl group?

answer

5

question

The equilibrium constant for the ring-flip of fluorocyclohexane is 1.5 at Calculate the percentage of the axial conformer at the temperature.

answer

Keq = eq over ax = 1.5 % axial ax over eq + ax = x 100% = 1 over 1.5 + 1 x 100% = 40%

question

Which of the following describes the most stable conformation of trans-1-tert-butyl-3-methylcyclohexane?

answer

The tert-butyl group is equatorial and the methyl group is axial.

question

Name the compound shown below. side hour glass left top line to cl right top line to cl

answer

cis-1,3-dichlorocyclohexane

question

Which of the following has two equatorial alkyl substituents in its most stable conformation?

answer

cis-1,3-diethylcyclohexane

question

Draw the most stable conformation of trans-1-tert-butyl-3-methylcyclohexane.

answer

side hour bottom dip line up ch3 right top line out c per ch3 closed 3

question

Draw the most stable conformer of cis-1-isopropyl-2-methylcyclohexane.

answer

side hour top line up ch3 low line ch per ch3 closed 2

question

Draw the most stable conformation of trans-1-isopropyl-2-methylcyclohexane.

answer

side hour top line ch per ch3 closed 2 bottom line out ch3

question

Identify the number of secondary hydrogens in the following structure. look like a rat

answer

8

question

Identify the compound where the groups are axial and equatorial.

answer

cis-1,4-dibromocyclohexane

question

Identify the least stable conformation for 1-tert-butyl-3-methylcyclohexane

answer

tert-butyl is axial and the methyl is axial.

question

Draw the most stable conformer of cis-1-ethyl-2-methylcyclohexane.

answer

side hour right top line out ch2ch3 bottom line out ch3

question

Draw the most stable conformer of trans-1-ethyl-2-methylcyclohexane.

answer

side hour top right line out to ch2ch3 bottom line out to ch3

question

Draw the most stable conformer of cis-1-ethyl-3-methylcyclohexane.

answer

side hour top right line out ch2ch3 low dip line down h3c

question

Draw the most stable conformer of trans-1-ethyl-3-methylcyclohexane.

answer

side hour top right line out ch2ch3 bottom dip ch3

question

Draw the most stable conformer of cis-1-ethyl-4-methylcyclohexane.

answer

side hour right top line out ch2ch3 left low line out ch3

question

Draw the most stable conformer of trans-1-ethyl-4-methylcyclohexane.

answer

side hour top right line out ch2ch3 low left line out h3c

question

) What aspect of the fused ring systems present in cholesterol make it an ideal compound to lend rigidity to cell membranes?

answer

The trans-fused ring systems present in cholesterol are not able to undergo chair-chair interconversion (ring flip). This renders them a high degree of conformational rigidity.

question

If an acyclic alkane hydrocarbon contains n carbon atoms, how many hydrogen atoms must it also contain?

answer

2n + 2

question

How many constitutional isomers are possible for C6H14?

answer

5

question

What type of isomers are CH3CH2OCH3 and CH3CH2CH2OH?

answer

constitutional

question

What is the relationship between the following compounds?

answer

configurational isomers

question

What is the relationship between the following compounds? with wedges

answer

constitutional isomers

question

What is the relationship between the structures shown below? hour glass

answer

constitutional isomers

question

What is the relationship between the structures shown below? pentagons

answer

constitutional isomers

question

Identify the pair of compounds. lines

answer

configurational isomers

question

Which of the following cannot exhibit chirality?

answer

1, 4-dibromobutane

question

Which of the following compounds is chiral?

answer

h with 3 lines down to h with 2 t connects left both ch3 right is br and cl

question

Is the molecule shown below chiral or achiral? square with wedge to oh

answer

achiral

question

Is the molecule shown below chiral or achiral? square with dark wedge up oh light wedge down oh

answer

chiral

question

Is the molecule shown below chiral or achiral? square dark wedges up to oh down oh

answer

achiral

question

Is the molecule shown below chiral or achiral? hexagon dark wedge right ch3 left wedge light oh

answer

achiral

question

Identify the compounds that are not chiral.

answer

a b d

question

Which of the following compounds has an asymmetric center?

answer

3

question

How many asymmetric centers are present in the compound shown below? two hexagon together light wedge middle is h and bottom middle dark wedge is h right top wedge dark ch per ch3 closed 2 left bottom two wedge light to h3c dark h3c

answer

3

question

How many asymmetric centers are present in the compound below? honey comb right top per ch3 closed 2n bottom 0 right cch3

answer

5

question

Identify the pair of compounds.

answer

configurational isomers

question

Give the number of asymmetric centers in limonene.

answer

1

question

Identify the compound(s) with asymmetric centers.

answer

cross shape with ch2ch2ch3 in bottom

question

A and B are stereoisomers. They are nonsuperimposable and are mirror images of one another. Which of the following best describes the relationship between A and B?

answer

enantiomers

question

What is the relationship between the structures shown below? left has cross ch3 bottom right has h in bottom

answer

identical compounds

question

Which of the following compounds is an enantiomer of the structure below?

answer

it doesnt have an enantiomer

question

Which of the following statements correctly describes the molecule shown below?

answer

The mirror image of this molecule is its enantiomer.

question

Choose the enantiomer of the compound below.

answer

e

question

The compound CH3CHClCH2CH=CHCH2CH3 contains only one asymmetric center. Explain why it has four stereoisomers.

answer

In addition to the single asymmetric center which may be either R or S, it also contains a carbon-carbon double bond which may be either E or Z. Thus, the four stereoisomers can be designated E, R; E, S; Z, R; and Z, S.

question

Draw the enantiomer of the compound below. up 4 swigs first dip dark wedge up oh sec dip wedge down br

answer

down 4 swigs first dip wedge down oh sec dip up wedge to br

question

Identify the following compounds as R or S.

answer

cross horse cross with f all s

question

Identify all pairs of enantiomers. mirror images

answer

b and d

question

Identify all identical compounds. look for mirror images

answer

A and C

question

Which of the following compounds has an S configuration?

answer

cross with ch2cl top cl bottom h on right ch3 on left

question

Which of the following compounds has an R configuration?

answer

cross with h on top ch=ch2 bottom ch3ch2 left br right

question

Which of the following groups has the highest priority using the Cahn, Ingold, Prelog rules?

answer

line to o line to ch3

question

The configuration of R-(+)-glyceraldehyde is as follows: What is the absolute configuration of (-)-lactic acid?

answer

R configuration

question

Indicate whether each of the following structures has the R or S configuration. What is the relationship between the two structures?

answer

top br is 1 left 2 bot 3 right 4 is r top oh is 2 right 1 bottom 4 left 3 is s both are enantiomers

question

Label each asymmetric center in the compound below as R or S. hexagon low right dark wedge oh light wedge ch3

answer

s at dark wedge oH

question

Draw the structure of (S)-1-bromo-1-chloropropane. Take particular care to indicate three-dimensional stereochemistry detail properly.

answer

up 3 swigs first dip two wedges dark is br light is h

question

Provide the structure of (R)-4-octanol. Be careful to indicate proper stereochemistry.

answer

up h3c 7 swigs end ch3 3rd dip two wedges left light h right dark oh

question

Identify the following compounds as R or S. crosses

answer

h top is r oh top is s br top is r

question

Provide a careful structure for (2R,3S)-2,3-dibromohexane.

answer

h3c up 5 swigs end ch3 first dip dark wedge br sec dip light wedge br

question

Provide a careful structure for (2S,3S)-2,3-dibromohexane.

answer

h3c up 5 swigs end ch3 first and sec dip light wedge br

question

Provide a careful structure for (2S,3R)-2,3-dibromohexane.

answer

h3c up 5 swigs end ch3 first dip light wedge br sec dip dark wedge br

question

Label each asymmetric center as R or S. looks like a rat with h and cl on right

answer

s next to triangle r at bottom dip s between h and cl

question

Provide a careful structure for (2R,3S,4S)-2-bromo-4-methyl-3-hexanol.

answer

up 5 swigs first dip dark wedge br sec dip down light wedge oh third dip up dark wedge ch3

question

Provide a careful structure for (2S,3R,4R)-2-bromo-4-methyl-3-hexanol.

answer

up 5 swigs first dip light wedge br sec dip down light wedge oh third dip up light wedge ch3

question

Which of the following is a true statement?

answer

A mixture of achiral compounds will be optically inactive.

question

Which of the following is not true of enantiomers?

answer

They have the same specific rotation.

question

Which of the following is/are optically inactive?

answer

all the above

question

Which of the following statements correctly pertains to a pair of enantiomers?

answer

They rotate the plane of polarized light by exactly the same amount and in opposite directions.

question

If (S)-glyceraldehyde has a specific rotation of -8.7°, what is the specific rotation of (R)-glyceraldehyde?

answer

+8.7°

question

A mixture of equal amounts of two enantiomers ________.

answer

is called a racemic mixture is optically inactive both

question

A solution containing 0.96 g of 2-bromooctane in 10 mL ether solution gave an observed rotation of -1.8° in a 10 cm cell at Calculate the specific rotation of this solution.

answer

[?] t over d = a over 1c [?] 20 degrees c over d = 1dm times .96 g over 10 ml = -18.75° in ether

question

A newly isolated natural product was shown to be optically active. If a solution of 2.0 g in 10 mL of ethanol in a 50 cm tube gives a rotation of +2.57°, what is the specific rotation of this natural product?

answer

+2.57°

question

Twenty grams of a compound was dissolved in 100 mL of solvent and gave an observed rotation of -20 degrees. The sample tube is 4 dm long. Calculate the specific rotation.

answer

-25°

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