A solution has pH value of 5. On adding 10 mL of NaCl to it, what will be the pH of the new solution?

Question

$\begin{array}{1 1} \text{(a) More than 5} \\ \text{ (b) Less than 5} \\ \text{ (c) Only seven} \\ \text{ (d) No change in pH} \end{array}$