Engineering
Chemistry
Acid and Base GOC
Question

In the given pair identify most acidic compound in (A) and (B). Most basic in (C) and (D).

A - (I), B - (II) C - (I), D - (II)

A - (II), B - (II) C - (II), D - (II)

A - (I), B - (II) C - (I), D - (I)

A - (II), B - (I) C - (I), D - (II)

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Solution

Acidity increases with electron withdrawing group. Ortho effect increases acidity. Basicity increases with electron donating group. Ortho effect decreases basicity.

So. in case of A most acidic is

(Ortho effect)

in case of B most acidic is

in case of C most basic is

in case of D most basic is