Reactive Inter & Reaction Mechanism

QUESTION: 1

Solution:

QUESTION: 2

Solution:

QUESTION: 3

Solution:

QUESTION: 4

Solution:

This reaction is stereoselective, co-ordination of the oxygen atom to the sinc.

QUESTION: 5

The major product of the reaction is

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QUESTION: 6

Solution:

*Answer can only contain numeric values

QUESTION: 7

How many monochlorinated products are possible including stereoisomer?

Solution:

QUESTION: 8

Solution:

QUESTION: 9

Product formed in the above reaction, which of the following correct mechanism apply

A.
Nucleophilic substitution reactions
B.
Elimination-addition mechanism
C.
Addition-elimination mechanism
D.
Benzyne mechanism

Solution:

This reaction mechanism proceed through addition elimination

QUESTION: 10

Solution:

QUESTION: 11

The reaction of the bromo compound shown below with sodium ethoxide gives predominantly

Solution:

Chemical transformation involved in above chemical reaction can be illustrated as

QUESTION: 12

The major product obtained in the reaction below is

Solution:

*Answer can only contain numeric values

QUESTION: 13

The total number of compounds (shown below) that form phenylhydrazone derivatives under acidic conditions is ____________

Solution:

From the above compound, five compound form phenylhydrozone derivative under acidic condition.

*Answer can only contain numeric values

QUESTION: 14

How many product will be formed the following reaction is

Solution:

QUESTION: 15

Correct product (Q, R and P) in the above reactions are formed respectively

Solution:

QUESTION: 16

The major product (P) in the above reaction is

Solution:

QUESTION: 17

Solution:

QUESTION: 18

Solution:

Oxidation of the allylic alcohol using the chiral ligand (+) di-isopropyl tartrate, the (S) enantiomer reacts about a hundred times faster than the (R) enantiomers epoxide formed from less hindered side.

QUESTION: 19

Which of the following statement(s) is true about the reaction given below?

(1) it involves a carbocation intermediate
(2) rearrangement is due to S_N1 reaction mechanism.
(3) it proceeds via a concerted S_N2 pathway
(4) it involves neighbouring group participation.