Questions

Which of the following statements are correct?

a) +I group stabilizes a carbocation

b) + I group stabilizes a carbanion

c) - I group stabilizes a carbocation

d) - I group stabilizes a carbanion

60 mins Expert Faculty Ask Questions

a

Both a, b

b

Both a, c

c

Both a, d

d

Both b,d

detailed solution

Correct option is C

Stability order:–IE groups increases the stability of carbanion.As the no of -IE [Alkyl groups] groups increasestability of carbanion increases,Stability order:+IE group increases the electron density on carbanion carbon and hence decreases the stability of carbanion.→ As the no of +IE groups increases stability of carbanion decreases.Stability order:–IE groups increases the positive charge on carbocation carbonand hence decreases the stability of carbanion.→ As the no –IE groups increases stability of carbocation decreases.

Similar Questions

Increasing order of stability of the following carbocations

$\underset{\mathrm{I}}{\stackrel{+}{\mathrm{C}}{\mathrm{H}}_{3}},\underset{\mathrm{II}}{\stackrel{+}{\mathrm{C}}{\mathrm{D}}_{3}},\underset{\mathrm{III}}{\stackrel{+}{\mathrm{C}}{\mathrm{T}}_{3}}$

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