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Question: Select the decreasing order of relative basic strengths of labeled nitrogen atoms ? <img src="https...

Select the decreasing order of relative basic strengths of labeled nitrogen atoms ?

A

I > II > IV > III

B

II > IV > I > III

C

IV > II > I > III

D

IV > II > III > I

Answer

I > II > IV > III

Explanation

Solution

Amidine derivative , II + I effect ,

III Delocalisation , IV Delocalisation