GATE CY 2021 Question Paper (06-Feb-2021) (Shift 1)

The major product formed in the following reaction



$\underset{(\mathrm{ii})\mathrm{n}-\mathrm{BuBr}(1\mathrm{equiv})(\mathrm{iii})dil.\mathrm{aqueous}\mathrm{NaOH}}{\overset{\mathrm{KN}{\mathrm{H}}_2(2\mathrm{equiv})}{\to }}$

is:

The major product formed in the following reaction is:

In the following reaction sequence:



the major products P and Q, respectively, are:

In an electrochemical cell, Ag⁺ ions in AgNO₃ are reduced to Ag metal at the cathode and Cu is oxidized to Cu²⁺ at the anode. A current of 0.7 A is passed through the cell for 10 min. The mass (in grams) of silver deposited and copper dissolved, respectively, are: [Faraday Constant = 96,485 C mol−1, Atomic Weight of Ag = 107.9, Atomic Weight of Cu = 63.55]

Among the following



the compounds which can be prepared by nucleophilic substitution reaction are: