Question

A salt is dissolved in water. The pH of this salt solution was found to be 7 by measuring the pH with a universal indicator paper. The salt is most likely to be

(a) Na2CO3
(b) KCl
(c) NH4Cl
(d) CH3COONa

Koi free h kya ?? ​

Answer 1

Answer:

(Na2CO3) dkdkdkddndndjdjdjkdkdkd

Answer 2

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NH4Cl is formed from a weak base, ammonium hydroxide (NH4OH), and a strong acid, hydrochloric acid (HCl). On hydrolysis, NH4Cl forms more H+ ions than OH- ions. Thus, it is acidic, with a pH less than 7.