JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
1. SR0001
Ans. (D)
Sol. For Alkane 4 carbon
C–C–C– C C–C–C
C
For Alkine 4 carbon
C
®
C–C–C= C
C–C=C
For Alkyne 5 carbon
C
C–C–C–C C
C – C– C C
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
2. SR0002
Ans. (A)
Sol. C7H7 – Cl
1
DU 2C 2 – m t
2
where m no. of mono valent atoms
t no. of trivalent atoms
®
1
= 2 7 2–8
2
1
= 16 – 8 4
2
Benzoidal isomers
CH3
CH2 – Cl CH3 CH3
Cl
Cl
Cl
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
3. SR0003
Ans. (C)
Sol. C4H11N(Primary Amines)
1
DU 2 4 2 – 11 1 = 0
2
C
C – C – C – C – NH2 C – C– C – NH 2
®
C
C – C– C – C C – C– C
NH2 NH2
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
4. SR0004
Ans. (C)
Sol. Benzoid structure (C7H8O)
1
DU 2 7 2–8 = 4
2
CH2 – OH O – CH3 OH OH OH
®
CH3
CH3
CH3
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
5. SR0005
Ans. (C)
Sol. G.I
H
(A) C Cl
H Cl
®
H H
C C H
(B)
H Cl
Cl
H H
(C) C C
Br Cl
H H
(D) C C
H H
Cl Br
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
6. SR0006
Ans. (C)
1 2
CH2 – CH2
Sol.
CH3 CH3
Wander wall strain as well
®
CH3 as Tortional strain in eclipsed
CH3 from
H
H H
H
Least stable
CH3
H CH3 gauche form
H H
H
CH3
H H Anti form most stable
H H
CH3
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
7. SR0007
Ans. (D)
Sol. G.I
(A)
®
(B)
(C)
(D)
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
8. SR0008
Ans. (D)
Sol. G.I
(A)
(B)
®
(C)
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
9. SR0009
Ans. (A)
Sol.
®
(B)
2 CH3 Cl 1
C C E
(C)
1Br H 2
1 CH3 H2
C C
(D) E
2H CH3 1
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
10. SR0010
Ans. (B)
H
5
OH 3 4
6
Sol. E
1 2 H
H Z H
®
Ans. (1Z, 3E)
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
11. SR0011
Ans. (C)
Sol. 2, 3 – Di methyl butane
CH3 CH3
CH3– CH–CH– CH 3
1 2
CH3
®
CH3 CH3 p = CH3
H CH3 q = H
H
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
12. SR0012
Ans. (A)
Sol.
n=1
Total G.I = 2n = 21 = 2
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
13. SR0013
Ans. (C)
Sol. G.I
®
(A)
(B)
H H
(C) H ×
H Cl
(D)
H Cl
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
14. SR0076
Ans. (B)
Cl
Sol.
®
Benzene
H H
H H Cl
H
H
H H
Cl
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
15. SR0015
Ans. (A)
Sol. C5H10
1
DU 2 5 2 – 10 1
2
C–C–C–C=C C–C–C=C–C
C C
®
C–C–C=C C–C=C–C
C
C–C–C=C
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
16. SR0016
Ans. (D)
Sol. G.I
(A) ×
(B) ×
®
(C) ×
(D)
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
17. SR0077
Ans. (B)
Sol. G.I
(A) ×
®
(B)
Bicyclo compound
CH3
(C) ×
CH3
(D) ×
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
18. SR0018
Ans. (D)
Sol. Only (D) will not show E and Z from.
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
19. SR0019
Ans. (C)
Sol.
®
M.F same
Chain same
Position of group Different
Position Isomers
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
20. SR0020
Ans. (D)
Sol. G.I
CH3
(A) Same Different groups ×
H
®
(B) Same groups ×
(C) Same groups ×
(D)
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
21. SR0021
Ans. (A)
Sol. G.I
(A)
®
Cl
(B) ×
Cl
In 6 member Rings
No G.I w.r.t (=)
Cl Cl
(C) ×
Cl Cl
(D) ×
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
22. SR0022
Ans. (B)
Sol. (A) 0
®
(B) =0
(C) 0
(D) 0
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
23. SR0023
Ans. (D)
Sol. Compounds R.S
O
(A) C
NH2
G.I.
®
(B)
(C)
(D)
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
24. SR0024
Ans. (B)
Sol. (A)
Same no. opposite side E
®
(B)
(2)
O
(1)
I
C=C
(C) (E)
F O
(2)
(1)
(2) (1)
H C C–H
(D) C=C (E)
D CH = CH2
(1) (2)
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
25. SR0025
Ans.
Sol. (A) C C C
C
(B) In cyclo alkene
C 12 trans > cis stability
®
(C)
Trans form
a
5 1
e
3 2
4
e
(D)
Due electrostatic force of alteraction cis effect
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
26. SR0026
Ans. (B) (G.I. )
Sol. (A) ( )
Cyclo ocfene
C 8 G.I. ( )
Cl
®
Cl Cl
(B) (×)
Cl Cl
Cl
(C) ( )
(D) ( )
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : Isomerism Exercise : O-I
27. SR0027
Ans. (C) (G.I.
Sol. (A) ( )
H
(B) Same C (×)
®
Me
(C) ( )
Me H
(D) C (×)
Me Me
Same
POS
