The pH of which salt solution is independent of its concentration (.1.) (.CH3COO.)C5H5NH (.2.) NaH2PO4 (.3.) Na2HPO4 (.4.) NH4CN

Question

The pH of which salt solution is independent of its concentration (.1.) (.CH3COO.)C5H5NH (.2.) NaH2PO4 (.3.) Na2HPO4 (.4.) NH4CN (A) 1, 2, 3, 4 (B) 1, 4 (C) 2, 3 (D) 1, 2, 3

Tardigrade Admin · Accepted Answer

pH of amphoteric salts and weak acid weak base salt is independent of its concentration as they act like buffer.

Q. The pH of which salt solution is independent of its concentration (1) (CH3​COO)C5​H5​NH (2) NaH2​PO4​ (3) Na2​HPO4​ (4) NH4​CN

1, 2, 3, 4

1, 4

2, 3

1, 2, 3

pH of amphoteric salts and weak acid weak base salt is independent of its concentration as they act like buffer.

Q. The pH of which salt solution is independent of its concentration

$(1)$ $(C H_{3} COO) C_{5} H_{5} N H$

$(2)$ $N a H_{2} P O_{4}$

$(3)$ $N a_{2} H P O_{4}$

$(4)$ $N H_{4} CN$