Ph-CH-CH2-CH2 → Product
l l Zn-Cu
Br Br Δ
Product of the above reaction is:-
(1) Ph-CH=CH-CH2-Br
(2) Ph-◁
(3) PH-CHBr-CH=CH2
(4) Ph-C C-CH3
Consider the following reaction,
The product is :
1. a primary amine
2. a tertiary amine
3. a secondary amine
4. a quaternary ammonium salt
Br Br
l l
CH2-CH=CH-CH2→(A)
Zn(dust)
Above reaction is an example of 1,4-elimination.Predict the product.
(1) CH3-CH=C=CH2
(2) CH3-CC-CH3
(3) CH3-CH2-CCH
(4) H2C=CH-CH=CH2
Which is the major product expected from the following SN2 reaction?
1.
2.
3.
4.
Arrange the following alkyl bromides in decreasing order of their rate of E2 elimination under identical conditions:
| (a) | ![]() |
| (b) | ![]() |
| (c) | ![]() |
Compare rate of E2 reaction:-
1. c>b>a
2. a>b>c
3. b>a>c
4. c>a>b
Which is the major product of the following reaction?
1.
2.
3.
4.
1-2-dichloro ethane + NaSCH2CH2SNa P (C4H8S2)
Unknown product (p) of the above reaction is:
1.
2. 
3.
4.