JEE Main · 2021 · Shift-IIhardALDO-225

Given below are two statements: Statement-I: Ethyl pent-4-yn-oate on reaction with CH3MgBr gives a 3-alcohol.…

Aldehydes, Ketones & Carboxylic Acids · Class 12 · JEE Main Previous Year Question

Question

Given below are two statements:

Statement-I: Ethyl pent-4-yn-oate on reaction with \ceCH3MgBr\ce{CH3MgBr} gives a 33^{\circ}-alcohol. Statement-II: In this reaction, one mole of ethyl pent-4-yn-oate utilizes two moles of \ceCH3MgBr\ce{CH3MgBr}.

In the light of the above statements, choose the most appropriate answer from the options given below:

Options
  1. a

    Both Statement-I and Statement-II are false

  2. b

    Statement-I is false but Statement-II is true

  3. c

    Statement-I is true but Statement-II is false

  4. d

    Both Statement-I and Statement-II are true

Correct Answerc

Statement-I is true but Statement-II is false

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Given below are two statements: Statement-I: Ethyl pent-4-yn-oate on reaction with CH3MgBr gives a… (JEE Main 2021) | Canvas Classes