Free Printable Quiz 1

Free Printable Worksheets

Worksheets

Quiz 1

Total questions: 25

Worksheet time: 59mins

Name

Class

Date

1.

What is the relationship between the following molecules?

a)

identical

b)

different

c)

stereoisomer

d)

constitutional isomer

2.

Draw the Newman Projection for the following compound as viewed down the indicated bond in the conformation shown:

a)

b)

c)

d)

3.

Given the following molecule, what does the Newman Projection look like from C2-C3?

a)

b)

c)

d)

4.

What is an appropriate name for the following compound?

a)

4-ethylhexane

b)

3-ethylhexane

c)

3-ethylpentane

d)

2,2-dimethylpentane

5.

Rank the following Newmans based on stability

a)

I>II>III>IV

b)

IV>III>I>II

c)

II>I>IV>III

d)

II>I>III>IV

6.

nama IUPAC dari struktur disamping adalah

a)

heptana

b)

metilsikloheksana

c)

isobutilpentana

d)

1-heksana

7.

struktur yang paling stabil dari sikloheksana adalah

a)

b)

c)

d)

8.

Which of the two is more stable ?

a)

Equatorial

b)

Axial

c)

Both are equal

9.

Which of these conformations is more stable?

a)

The one to the left

b)

The one to the right

c)

They have the same energy

10.

Which conformation is the cis isomer?

a)

The one to the left

b)

The one to the right

c)

It cannot be determined

11.

The substitute X will experience diaxial interaction with the H in position

a)

3 only because X and H3 are both axial

b)

6 only because H6 is closer

c)

3 only because X is equatorial and H3 is axial

d)

both 3 and 6 because 3 is axial and 6 is very close

12.

Which of the following compounds is the enantiomer of the above compound?

a)

b)

c)

d)

All of the above

13.

a)

2R, 4S

b)

2S, 4R

c)

2R, 4R

d)

2S, 4S

e)

R and S cannot be applied

14.

How many chiral centers are in the following molecule?

a)

2

b)

3

c)

4

d)

5

15.

Is the following chiral center R or S?

a)

R

b)

S

16.

How many Stereoisomers Exist for this Molecule?

a)

None

b)

One

c)

Two

d)

Three

17.

Is it true that enantiomer have the same physical and chemical properties?

a)

Yes

b)

False

18.

What is the relationship between A and B.

a)

structural isomers

b)

meso compounds

c)

diastereoisomers

d)

both have chiral carbons

19.

What is the Configuration of the Chirality Centers? (Red, Blue)

a)

(S,R)

b)

(S,S)

c)

(R,R)

d)

(R,S)

20.

What is the Relationship between these Molecules?

a)

Same Molecule

b)

Diastereomers

c)

Enantiomers

d)

Constitutional Isomers

21.

Assign the configuration of the below two structures

a)

S,S

b)

S,R

c)

R,S

d)

R,R,

22.

Which of the substituents are ranked as the lowest priority based on Cahn-Ingold-Prelog ranking rules?

a)

-C(O)H

b)

-CH₂OH

c)

-CH₂-O-C(O)CH₃

23.

Give the correct absolute configuration on the labelled chiral carbon in 2-iodobutane

a)

S

b)

R

c)

cis

d)

trans

24.

Give the correct absolute configuration of this molecule

a)

(1R, 2S)-2-isopropylcyclohexanol

b)

(1R,2R)-2-isopropylcyclohexanol

c)

(1S,2R)-2-isopropylcyclohexanol

d)

(1S,2S)-2-isopropylcyclohexanol

25.

Label this pair of stereoisomers as:

a)

enantiomers

b)

diastereomers

c)

identical

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