GATE CY topic:organic-synthesis PYQs & Answers

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topic:organic-synthesis

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Questions 1–10 of 116. Imported answers require independent review unless marked reviewed.

Topic practice 116 questionsPage 1 of 12

The major product formed in the following reaction is

Your answerChoose one option.

Diagram for Chemistry question 11 (figure 2)

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The major product formed in the following reaction sequence is

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Diagram for Chemistry question 13 (figure 2)

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The major product formed in the following reaction is

Your answerChoose one option.

Diagram for Chemistry question 14 (figure 2)

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The reagent(s) that will effect the following transformation is(are) CH₃CH₂CH₂CH₂OMEM → CH₃CH₂CH₂CH₂OH MEM = methoxyethoxymethyl

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

Pd/C, H₂

ZnBr₂

Pyridinium p-toluenesulfonate (PPTS), tBuOH

nBu₄NF

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The reaction(s) that give(s) meso-1,2-diphenylethane-1,2-diol as the major product is(are)

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Diagram for Chemistry question 22 (figure 2)

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In the ¹H NMR spectrum of compound X, the coupling constant (Jₐᵦ) between Hₐ and Hᵦ is 3 Hz. The amino alcohol(s) that give(s) X on reaction with methyl iodide followed by heating is(are)