Chapter: Stereochemistry
Topic: Stereoisomerism
Content: MCQ Questions & Solutions
Source: CSIR NET, GATE etc. Exams
Q1. The molecules shown below are
(a)
Constitutional
isomers
(b)
Enantiomers
(c)
Diastereomers
(d)
Identical
Q2. What is the relation between given molecules
(a)
Enantiomers
(b)
Diastereomers
(c)
Identical
(d) Meso compounds
Q3. Which of the following molecules will show
optical activity?
(a)
I, IV
and V
(b)
I and V
only
(c)
II, III
and IV
(d)
All
except III
Q4. Consider the following structures A, B, C and
D
Which of the following statement is not
correct?
(a)
II and
III are identical
(b)
I and
II are enantiomers
(c)
I and
III are enantiomers
(d) II and IV are enantiomers
Q5. How are the following compounds related?
(a)
Diastereomers
(b)
Enantiomers
(c)
Meso compounds
(d)
Identical
Q6. Which compounds do not possess a plane of
symmetry?
(a)
I, II
and IV
(b)
II and
III
(c)
III and
IV
(d) I and II
Q7. Relation between these two molecules is
(a)
Constitutional
Isomers
(b)
Enantiomers
(c)
Identical
(d)
Diastereomers
Q8. Which one is a pair of enantiomers
Q9. Which of the following is correct about the
following compound?
(a)
It
possesses a centre of symmetry
(b)
It
possesses a C4 axis of symmetry
(c)
It
possesses a plane of symmetry
(d)
Compound
is chiral
Q10. Which of the following compounds is optically
active
(a) 
(b)
(c)
(d)
Q11. Which of the following compounds is chiral
(a)
(b)
(c)
(d)
Q12. The molecules shown below are
(a)
Constitutional isomers
(b)
Enantiomers
(c)
Diastereomers
(d)
Identical
Q13. Number of chiral centers present in the
following molecule are
(a) 4
(b) 5
(c) 6
(d) 7
Q14. Following compounds are different in respect of
(a) their chemical and physical properties
(b) nothing
(c) the direction in which they tend to rotate the
plane polarized light
(d) their interactions with molecules
Ans Key:
1.b 2.c 3.a 4.d 5.a 6.c 7.c 8.b 9.c 10.a
11.b 12.a 13.c 14.c
Detailed Solutions
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