JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
1. SR0048
Ans. (1)
Sol. (1)
(2)
®
(3)
(4)
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
2. SR0049
Ans. (2)
Sol. 2-Fluroethonol
®
Gauche > Anti > Ellipse
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
3. SR0051
Ans. (1)
Sol. C — C = C — C
C—C=C
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
4. SR0053
Ans. (4)
Sol.
(E)-2-hepten-4-yne
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
5. SR0054
Ans. (2)
Sol. (1)
®
(2)
(3)
(4)
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
6. SR0055
Ans. (3)
Sol. trans fumeric acid
®
Cis Maleic acid
Both are cis G.I.
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
7. SR0056
Ans. (1)
Sol. Mono carboxylic acid
®
Both are F.I.
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
8. SR0057
Ans. (3)
®
Sol.
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
9. SR0058
Ans. (2)
Sol. III > I = II > IV
®
(I) (II)
(III) (IV)
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
10. SR0059
Ans. (3)
Sol. maximum
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
11. SR0060
Ans. (4)
1
Sol. DU = (2 × 6 + 2 – 14) = 0
2
C—C—C—C—C—C
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
12. SE0121
A ns. (2)
Sol. G.I not possible at (I)
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
13. SE0122
Ans. (1)
Sol. (1)
®
(2)
(3)
(4)
In (I) active methylene is most stable, so enol content will be maximum there.
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
14. SE0123
Ans. (2)
Sol. Angle strain does not govern the stability of a conformation in a cyclic compounds.
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
15. SE0124
Ans. (3)
Sol. angle
H' — C — C — H" will be
120 + 29 = 149º
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
16. SE0144
Ans. NTA Answer (2)
ALLEN Answer (2), (4)
CH2
Sol. (A) Not show GI
®
Cl
H
(2) C Show GI
Cl
CH3
H
(3) C Not show GI
Cl
H3C
H
(4) C Show GI
Cl
H3C
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
17. SE0145
Ans. (3)
Sol. G.I.
(1) ( )
®
(2) ( )
(3) ( )
(4) ( )
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
18. SE0146
Ans. (4)
O
Sol.
O
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
19. SE0148
Ans. (6)
Sol. C — C — C — C = C (1) Pentene
(1)
C—C—C=C—C (2) (E/Z)
(1)
®
(1)
Total structures (6)
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
20. SE0149
Ans. (60)
Sol. H3C — CCl3
2 1
®
Angle = 60°
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
21. SE0150
Ans. (2)
Sol. CH3 — CH3
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
22. SE0152
Ans. (4)
Sol. More stable less potential energy.
Stability order : I > III > IV > II
So
Potential energy : II > IV > III > I
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
23. SE0153
Ans. (3)
Sol.
2(E)-2-Bromo hex-2-en-4-yne
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
24.
Ans. (3)
O OH
Sol. is tautomer of , Which is aromatic in nature.
O O HO OH
®
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
25.
Ans. (1)
Me
H H
Sol. Conformation has lowest vanderwaal and torsional strain. Hence it must be most
H H
®
Me
stable.
JEE (MAIN + ADVANCED) : NURTURE COURSE
SUBJECT : ORGANIC CHEMISTRY
Topic : ISOMERISM Exercise : JEE-MAINS
26.
Ans. (4)
Sol. A. Propanamine N-Methylethanamine
B. Hexan-2-one Hexan-3-one
®
C. Ethanamide Hydroxyethanimine
D. o-Nitrophenol p-nitrophenol
