GATE CY year:2023 PYQs & Answers — Page 2

Questions 11–20 of 65. Imported answers require independent review unless marked reviewed.

Topic practice 65 questionsPage 2 of 7

The major product formed in the given reaction is

Your answerChoose one option.

Diagram for Chemistry question 11 (figure 2)

Diagram for Chemistry question 11 (figure 3)

Diagram for Chemistry question 11 (figure 4)

Diagram for Chemistry question 11 (figure 5)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The compound which gives a fragment at

Your answerChoose one option.

Diagram for Chemistry question 12 (figure 2)

Diagram for Chemistry question 12 (figure 3)

Diagram for Chemistry question 12 (figure 4)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The major product formed in the given reaction is

Your answerChoose one option.

Diagram for Chemistry question 13 (figure 2)

Diagram for Chemistry question 13 (figure 3)

Diagram for Chemistry question 13 (figure 4)

Diagram for Chemistry question 13 (figure 5)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The major product formed in the given reaction is

Your answerChoose one option.

Diagram for Chemistry question 14 (figure 2)

Diagram for Chemistry question 14 (figure 3)

Diagram for Chemistry question 14 (figure 4)

Diagram for Chemistry question 14 (figure 5)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

On irradiation using UV light (>300 nm), compounds X and Y, predominately, undergo

Your answerChoose one option.

X: Norrish type I reaction and Y: Norrish type II reaction

X: Norrish type II reaction and Y: Norrish type I reaction

Both X and Y: Norrish type I reaction

Both X and Y: Norrish type II reaction

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The topicity relationship of Hₐ and Hᵦ in X, Y and Z are, respectively,

Your answerChoose one option.

Diastereotopic, Homotopic and Enantiotopic

Homotopic, Enantiotopic and Enantiotopic

Homotopic, Homotopic and Enantiotopic

Diastereotopic, Enantiotopic and Homotopic

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Compound P was prepared based on a four-component reaction at room temperature in methanol. The required starting materials for the synthesis are

Your answerChoose one option.

Diagram for Chemistry question 17 (figure 2)

Diagram for Chemistry question 17 (figure 3)

Diagram for Chemistry question 17 (figure 4)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The major product formed in the following reaction is

Your answerChoose one option.

Diagram for Chemistry question 18 (figure 2)

Diagram for Chemistry question 18 (figure 3)

Diagram for Chemistry question 18 (figure 4)

Diagram for Chemistry question 18 (figure 5)

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

The reaction of Ph₃PCl₂ with PhNH₂ primarily produces

Your answerChoose one option.

Ph₃P=NPh

PhP=NPh

PhCl₂P=NPh

Ph₂ClP=NPh

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Formation of [M(en)₃]²⁺ from [M(H₂O)₆]²⁺ and three equivalents of ethylenediamine (en) is LEAST favored when M is

Your answerChoose one option.

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

GATE CY year:2023 PYQs

Question 11

Question 12

Question 13

Question 14

Question 15

Question 16

Question 17

Question 18

Question 19

Question 20