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The stability of given free radicals in ...

The stability of given free radicals in decreasing order is
(i) `CH_(3)-overset(.)(C)H_(2)` , (ii) `CH_(3)-Coverset(.)(H)-CH_(3)`
(iii) `CH_(3)-underset(CH_(3))underset(|)overset(.)(C)-CH_(3)`, (iv) `overset(.)(C)H_(3)`

A

`iii gt iv gt i gt ii`

B

`i gt ii gt iii gt iv `

C

`iii gt ii gt iv gt i`

D

`iii gt ii gt i gt iv`

Text Solution

Verified by Experts

The correct Answer is:
D
Combine effect of + 1 effect and hyperconjugation.
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The stability of given free radicals in decreasing order is: (i) CH_(3)-CH_(2)" "(ii) CH_(3)-CH-CH_(3)" "(iii) CH_(3)underset(CH_(3))underset(|)overset(*)C-CH_(3)" "(iv)overset(*)CH_(3)

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Give the stability order of following radicals: (I) CH_(3)-overset(*)(C )H_(2) (II) CH_(3)-overset(*)(C )H-CH_(3) (III) CH_(2)=CH-overset(*)(C )H-CH_(3) (IV)

Arrange the following radicals in decreasing order of their stability. (I) overset(*)(C)H_(3) (II) CH_(3)-overset(*)(C )H_(2) (III)

Arrange the following acid in decreasing order of their acidic strength : (I) CH_(3)-OH (II) CH_(3)CH_(2)-OH (III) CH_(3)-underset(CH_(3))underset(|)(CH)-OH (IV) CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-OH

What are the products of the following reactions? (a) H_(3)C-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-Cl+barOCH_(3)to (b) CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-barO+CH_(3)-Xto

Arrange the following in decreasing order of their stability :- (I) CH_(3)-overset(oplus)(CH_(2)) " "(II) CH_(3)-underset(CH_(3))underset(|)overset(oplus)(CH) (III) CH_(3)-underset(oplus)overset(CH_(3))overset(|)(C)-CH_(3) " "(IV) {:(CH_(2)-overset(o+)(C)H_(2)),(|),(F):}

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