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The stability of carbanions in the follo...

The stability of carbanions in the following `(i) RC-=overset(-"*")C` (ii)
(iii) `R_2C=overset(-"*")(CH)` (iv) `R_3C-overset(-"*")(CH_2)`

A

`(iv) gt (ii) gt (iii) gt(i)`

B

`(i) gt (iii) gt (ii) gt(iv)`

C

`(i) gt (ii) gt (iii) gt(iv)`

D

`(ii). (iii) gt (iv) gt(i)`

Text Solution

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The correct Answer is:
C
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The stability of carbanions in the following (i) RC-=overset(-)overset(..)C , (ii) (iii) R_(2)C=overset(-)overset(..)CH , (iv) R_(3)C-overset(-)overset(..)CH_(2) is in the order

Consider the following carbocation: (i) Cl_(3)overset(+)C (ii) Cl_(2)overset(+)CH , (iii) Cloverset(+)CH_(2) , (iv) overset(+)CH_(3)

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Compare the stability of the following free Radical. (a) CH_(3) - overset(.)CH_(2) " "(b)CH_(2) = overset(.)CH " "(c) CH = overset(.)CH

Compare the stability of the following compounds (a) overset(+)CH_(2) - CF_(3) " " (b)overset(+) CH_(2) - C Cl_(3) (c) overset(+)CH_(2) - CBr_(3) " " (d) overset(+)CH_(3)

The stability order of the following alkyl free radicals is _____. overset(*) CH_(3) , overset(*)C(CH_3)_(3), overset(*)CH(CH_(3))_(2) , overset(*)CH_(2) CH_(3)

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