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Identify X if the shown compound has a higher pKb value than aniline.

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in Chemistry – Class 12 by (188k points)
Identify X if the shown compound has a higher pKb value than aniline.

(a) OH

(b) CH3

(c) NH2

(d) Cl

The question was asked in final exam.

Asked question is from Amines Chemical Reactions in chapter Amines of Chemistry – Class 12

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Best answer
Right answer is (d) Cl

The best I can explain: The compound has a higher pKb value than aniline means that it has a lower acidic strength than aniline. This is possible is X is an electron withdrawing group (Cl) that destabilizes the anilinium cation and reduces the basic strength.

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