How many compounds are less basic than aniline
(i) 
(ii) 
(iii) 
(iv) NH 3
(v) 
(vi) 
Text Solution
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4
lone pair delocalized so less basic than aniline.
- M effect of - NO 2 decrease the basicity so it is less basic than aniline.
-CH 3 group at ortho so ortho effect exert here hence basic character decrease as compare to aniline.
Lone pair of -N involve in delocalization and ring become aromatic due to this so it is also less basic then aniline.
NH 3 is more basic then aniline because phenyl group exert - 1 effect.
(v) is derivative of guanidine so they are more basic than aniline.
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