Question

The $pH$ of $0.001$ molar solution of $HCl$ will be:

• A. $0.001$
• B. $3$
• C. $2$
• D. $6$

Answer 1

The correct option is B $3$

$pH$ of $0.001MHCl$

$\left[H^{+}\right]={10}^{-3}M$

$pH=3$