Question

1 M NaCl and 1 M HCl are present in an aqueous solution. The solution is : Answer options : (a) Not a buffer and its pH< 7 (b) Not a buffer and its pH>7 (c) A buffer with pH < 7 (d) A buffer with pH >7

Answer 1

The answer is (a). not a buffer and its pH<7. Buffer can accept and donate protons at the same time. And HCl is an acid so has pH < 7.