Question bank/JEE Main/Chemistry

In which of the following pairs of carbanion the first one is
more stable than second.

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Stability of carbanion µ -I effect, -m effect.
[IMAGE] (due to $p\pi - d\pi$ back bonding).
[IMAGE] (stability of anion, sp > sp2 > sp3)
[IMAGE] (stability order of carbanion inversely related to +I)

Source: Grass-G / CH-23 Chemistry Paper 31 Dec. FST.docx