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Purine has four nitrogen atoms, which on...

Purine has four nitrogen atoms, which one of them is expected to be basic?

A

Only `N_4` is basic

B

`N_1,N_2 and N_3` are not basic

C

`N_2, N_4 ` are not basic

D

`N_1 , N_2 and N_3` are basic

Text Solution

Verified by Experts

The correct Answer is:
D
`N_4` is not basic , the lone pair to nitrogen is part of the aromatic system.
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