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The correct order of increasing basic na...

The correct order of increasing basic nature of the following bases is

A

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

B

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

C

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

D

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

Text Solution

Verified by Experts

The correct Answer is:
A
Presence of electron–withdrawing (–I or –M group) like `-NO_(2)` at p–position will decrease the basicity, so (ii) will be the least basic, whereas presence of electron– donating (+I or +M) group like `OCH_(3)` at p–position in (iv) will increase the basicity so (iv) will be the most basic. Hence correct order of increasing basic character is (ii) < (v) < (i) < (iii) < (iv)
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