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Arrange the following carbanions in decr...

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

A

`III gt II gt IV gt I`

B

`III gt II gt I gt IV`

C

`III gt I gt II gt IV`

D

`II gt III gt I gt IV`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Arrange the following carbanions in decreasing order of stability: underset((I))(.^(Theta)(CH_(2))-Cl) , underset((II))(.^(Theta)(CH_(2))-CN) , underset((III))(.^(Theta)(CH_(2))-NO_(2)) , underset((IV))(.^(Theta)CH_(2)-CH_(3))

    A
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    `IIIgtIIgtIgtIV`
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    A
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  • Arrange the following carbocations in order of increasing stability : {:(underset("(I)")((CH_(3))_(3)Coverset(+)CH_(2))", "underset("(II)")((CH_(3))_(3)overset(+)C)","),(underset("(III)")(CH_(3)CH_(2)overset(+)CH_(2))", "underset("(IV)")(CH_(3)overset(+)CHCH_(2)CH_(3))):}

    A
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    B
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