MHT CET 2022 Chemistry question

Identify the group that exerts electron withdrawing resonance effect

(A)- COOHCorrect
(B)- OH
(C)- OR
(D)- NHR

Answer: (A)

Solution

A group shows the electron-withdrawing resonance effect (-R) when it has a multiple bond to an electronegative atom attached to the conjugated system, so that it pulls electrons toward itself, e.g., , , , . In

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Question ID VK-093672