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Arrange the following groups in order of...

Arrange the following groups in order of increasing `+I` effect:
`CH_(3)^(-)," "(CH_(3))_(2)CH^(-)," "(CH_(3))_(3)C^(-)`

Text Solution

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Atoms or groups which release electrons towards a carbon atom are said to have a `+I` effect. Methyl group releases electrons towards carbon, i.e., it has `+I` effect. `+I` effect increases as the number of methyl groups increases. Thus, the order is
`underset("(lowest)")(CH_(3)^(-))lt(CH_(3))_(2)CH^(-)lt underset("(highest)")((CH_(3))_(3)C^(-))`
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