GATE XL Structure-Reactivity Correlations and Organic Reaction Mechanisms PYQs & Answers — Page 3

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Structure-Reactivity Correlations and Organic Reaction Mechanisms

Questions 21–30 of 43. Imported answers require independent review unless marked reviewed.

Topic practice 43 questionsPage 3 of 5

The structure of the major product Q of the following reaction is

Your answerChoose one option.

Diagram for Life Sciences question 2 (figure 2)

Diagram for Life Sciences question 2 (figure 3)

Diagram for Life Sciences question 2 (figure 4)

Diagram for Life Sciences question 2 (figure 5)

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The CORRECT order of acidity of the following compounds is

Your answerChoose one option.

II > I > III

II > III > I

III > II > I

III > I > II

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The structure of the major product S of the following reaction is

Your answerChoose one option.

Diagram for Life Sciences question 9 (figure 2)

Diagram for Life Sciences question 9 (figure 3)

Diagram for Life Sciences question 9 (figure 4)

Diagram for Life Sciences question 9 (figure 5)

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The CORRECT combination(s) of Y and T for the following elimination reaction is(are)

Your answerSelect all correct options. You can choose more than one.

Y = NMe₃⁺ and T = Me–CH=CH–Me

Y = NMe₃⁺ and T = Me–CH₂–CH=CH₂

Y = Br and T = Me–CH₂–CH=CH₂

Y = Br and T = Me–CH=CH–Me

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In naphthalene, the value of the integer “n” according to Hückel’s rule of aromaticity is _____.

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Given below are Newman projections of ethylene glycol and 1,2-difluoroethane about their respective C-C bonds. The most stable conformations (lowest energy) of ethylene glycol and 1,2-difluoroethane are

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I and II respectively.

I and IV respectively.

II and III respectively.

II and IV respectively.

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In the reaction given below, choose the condition that gives an anti-Markovnik’s product.

Your answerChoose one option.

Peroxide / HCl

Aqueous mercuric acetate treatment

Diborane addition

Sulfuric acid addition

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The compound that provides a carboxylic acid, upon treatment with Br₂ / NaOH followed by acidification, is

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Diagram for Life Sciences question 1 (figure 2)

Diagram for Life Sciences question 1 (figure 3)

Diagram for Life Sciences question 1 (figure 4)

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The total number of tautomers for the following molecule (including the structure provided below) is ____.

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The total number of stereoisomers possible for the following structure is ____

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GATE XL Structure-Reactivity Correlations and Organic Reaction Mechanisms PYQs

Question 2

Question 6

Question 9

Question 10

Question 3

Question 9

Question 10

Question 1

Question 4

Question 5