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Question
The arrangement of (CH3)3C−, (CH3)2CH− , CH3CH2− when attached to a benzene or an unsaturated group in increasing order of inductive effect effect is.
The arrangement of (CH3)3C−, (CH3)2CH− , CH3CH2− when attached to a benzene or an unsaturated group in increasing order of inductive effect effect is.
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Solution
- The alkyl groups are electron donating group and they cause +I effect because, H atom bears partial positive charge and C-atom bears partial negative charge which combine effect to donate electrons to a system.
- Since, a tertiary carbocation is most stable so it will give the most +I effect and so the secondary carbocation and then primary.
- The greater the number of alkyl groups attached to a positive carbon atom, hyper conjugation increases and thus stability the cation.
- The order of increasing inductive effect is
CH3CH2−<(CH3)2CH−<(CH3)3C−
- The alkyl groups are electron donating group and they cause +I effect because, H atom bears partial positive charge and C-atom bears partial negative charge which combine effect to donate electrons to a system.
- Since, a tertiary carbocation is most stable so it will give the most +I effect and so the secondary carbocation and then primary.
- The greater the number of alkyl groups attached to a positive carbon atom, hyper conjugation increases and thus stability the cation.
- The order of increasing inductive effect is
CH3CH2−<(CH3)2CH−<(CH3)3C−
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