pKa is more for
As learnt in
Effects of substituents on acidity of phenols -
1. Electron withdrawing group like
2. Electron donating group like
1. Increase the acidic strength of phenol.
2. Decrease the acidic strength of phenol.
Reaction with Nitrous Acid Primary Amines -
Primary amines react with nitrous acid to produce diazonium ion.
Acidity increases down the group. Higher is the pka value, weaker is the acid.
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