`1 M NaCl` and `1 M HCl` are present in an aqueous solution. The solution is

Options

A. Not a buffer solution and with `pH lt 7`
B. Not a buffer solution with `pH gt 7`
C. A buffer solution with `pH lt 7`
D. A buffer solution with `pH gt 7`

Answer

A

Explanation

A buffer is a solution of weak acid and its salt with strong base and vice versa.
HCl is a strong acid and NaCl is its salt with strong base so pH is less than 7 due to HCl.