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Which of the following statement(s) is/are correct?

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I and II are aromatic, but I is more basic than III

I is anti-aromatic, II is aromatic and II is more basic than I

The order of basicity of above compounds is IV > III > II > I

The conjugate acid of II is less stabilized than conjugate acid of IV

answer is C, D.

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Detailed Solution

The correct order of basicity is
$(I V) > (I I I) > (I I) > (I)$

In IV , lone pair of two N makes it more basic and does not delocalize in the benzene ring.
A compound is more basic, if its conjugate acid can be stabilized through resonance.

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