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Arrange the following carbanions in decr...

Arrange the following carbanions in decreasing order of stability :
(I) `CH_(2)^(-)-Cl`
(II)`CH_(2)^(-)-CN`
(III)`CH_(2)^(-)-NO_(2)`
(IV)`CH_(2)^(-)-CH_(3)`
(A) `III>II>I>IV`
(B) `III>II>IV>I`

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