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JEE Main2017ChemistryAldehydes and KetonesActual

The correct sequence of reagents for the following conversion will be

Options

  1. ACH 3 MgBr ,   H + / CH 3 OH ,   Ag NH 3 2 + OH -
  2. BCH 3 MgBr ,   Ag NH 3 2 + OH - ,  H + / CH 3 OH
  3. CAg NH 3 2 + OH - ,   CH 3 MgBr ,   H + / CH 3 OH
  4. DAg NH 3 2 + OH - ,   H + / CH 3 OH ,   CH 3 MgBr

Correct answer

D. Ag NH 3 2 + OH - ,   H + / CH 3 OH ,   CH 3 MgBr

Step-by-step solution

The correct order of reagents for the following reaction is [ Ag ( NH 3 ) 2 ] + OH -   ,   H + / CH 3 OH ,   CH 3 MgBr & the reaction as well as mechanism is as follows with the correct order of reagents. The reaction involves SN 2 mechanism at second step which on further reaction with excess CH 3 MgBr to give the final product.

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