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Question: Answered & Verified by Expert
The indicated atom is not a nucleophilic site in
ChemistryGeneral Organic ChemistryJEE Main
Options:
  • A \( \underset{\uparrow}{\mathrm{B}} \mathrm{H}_{4}^{-} \)
  • B \( \underset{\uparrow}{\mathrm{C}} \mathrm{H}_{3} \mathrm{Mgl} \)
  • C \( \mathrm{CH}_{3} \underset{\uparrow}{\mathrm{OH}} \)
  • D \( \mathrm{CH}_{3} \underset{\uparrow}{\mathrm{NH}_{2}} \)
Solution:
1011 Upvotes Verified Answer
The correct answer is: \( \underset{\uparrow}{\mathrm{B}} \mathrm{H}_{4}^{-} \)

In   indicated atom is not a nucleophilic site because there is no lone-pair on 'B' atom.

Hence, the option (a) is correct answr.

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