GATE CY purpose:exam-prep PYQs & Answers — Page 64

Home
GATE
Chemistry
Topics
purpose:exam-prep

Questions 631–640 of 650. Imported answers require independent review unless marked reviewed.

Topic practice 650 questionsPage 64 of 65

The major product formed in the following reaction is

Your answerChoose one option.

Diagram for Chemistry question 46 (figure 2)

Diagram for Chemistry question 46 (figure 3)

Diagram for Chemistry question 46 (figure 4)

Diagram for Chemistry question 46 (figure 5)

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

The product formed in the following photochemical reaction is

Your answerChoose one option.

Diagram for Chemistry question 47 (figure 2)

Diagram for Chemistry question 47 (figure 3)

Diagram for Chemistry question 47 (figure 4)

Diagram for Chemistry question 47 (figure 5)

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

Among the following decahydroquinoline toluenesulfonates (Ts), the one that yields 9-methylamino-E-non-5-enal as a major product upon aqueous solvolysis is

Your answerChoose one option.

Diagram for Chemistry question 48 (figure 2)

Diagram for Chemistry question 48 (figure 3)

Diagram for Chemistry question 48 (figure 4)

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

The product obtained in the following solvolysis reaction is

Your answerChoose one option.

a racemic mixture of trans 1,2-diacetoxycyclohexane

enantiomerically pure trans 1,2-diacetoxycyclohexane

racemic cis 1,2-diacetoxycyclohexane

a mixture of cis and trans 1,2-diacetoxycyclohexane

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

The spectroscopic data for an organic compound with molecular formula C₁₀H₁₂O₂ are given below. IR band around 1750 cm⁻¹, ¹H NMR δ 7.3 (m, 5H), 5.85 (q, 1H, J = 7.2 Hz), 2.05 (s, 3H), 1.5 (d, 3H, J = 7.2 Hz) ppm. The compound is

Your answerChoose one option.

methyl 2-phenylpropionate

1-(phenylethyl) acetate

2-(phenylethyl) acetate

methyl 3-phenylpropionate

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

The structures of the intermediate [P] and major product Q formed in the following reaction sequence are

Your answerChoose one option.

Diagram for Chemistry question 51 (figure 2)

Diagram for Chemistry question 51 (figure 3)

Diagram for Chemistry question 51 (figure 4)

Diagram for Chemistry question 51 (figure 5)

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

Hydration of fumaric acid gives malic acid as shown below. Assume that addition of water takes place specifically from A face or B face. The correct statement pertaining to stereochemistry of malic acid formed is