The product/s of the following reaction is

(1)
(2)
(3)
(4)

Which step is not feasible in the following loop?

(1) step – a

(2) step – b

(3) step – c

(4) step – d

The product R is :

(1)
(2)
(3)
(4)

The product 'C' is

(1)
(2)
(3)
(4)

The product B is

(1) PhCH = CHCH₂Br

(2)

(3) PhCH₂CH(Br)COOH

(4) PhCH = CH − Cobr

The number of stereoisomeric products formed in the following reaction is

(1) 1

(2) 8

(3) 4

(4) 2

The end products of following reaction would be,

(1)
(2)
(3)
(4)

In which of the following compounds O¹⁸ exchange can be observed on keeping it in H₂O¹⁸

(1)
(2)
(3)
(4)

The possible number of stereoisomers of the product of following reaction would be :

(1) 2

(2) 4

(3) 6

(4) 8

Which of the following ketone recemises in aqueous solution containing some acidic or basic impurities.

(1)
(2)
(3)
(4)