The most stable carbanion among the following is:

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OSSTET 2018 (Science CBZ) Official Paper (Held on 5 Oct 2018)
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OSSTET TGT Arts Full Test 1
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Detailed Solution

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Concept:

  • The carbon atom bearing a negative charge is called a carbanion.
  • The stability of carbanion can be explained based on resonance, -I effect.

Explanation:

  • The stability of phenylmethanide increases with -I groups if attached to the aromatic ring.
  • Among the given molecules,  groups are electron donating groups.
  • So they destabilise the given carbanion.
  • The compound is stabilised by resonance.

Hence, it is more stable among the given compounds.

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