Chapter 7

\(\mathrm{H}_{3} \mathrm{BO}_{3}\) is (a) Monobasic and weak Lewis acid (b) Monobasic and weak Bronsted acid (c) Monobasic and strong Lewis acid (d) Tribasic and weak Bronsted acid

In which of following salts, \(\mathrm{pH}\) is not affected by dilution ? (a) \(\mathrm{CuCl}_{2}\) (b) \(\mathrm{CH}_{3} \mathrm{COONa}\) (c) \(\mathrm{CH}_{3} \mathrm{COONH}_{4}\) (d) \(\mathrm{NH}_{4} \mathrm{Cl}\)