Question

What is the $pH$ value of $0.03NHCl$ solution?

• A. 2.5229
• B. 3.2229
• C. 1.5229
• D. None of these

Answer 1

Answer: (C)

$pH=-\log \left[H^{+}\right]$
$0.03NHCl\to \left[H^{+}\right]=3\times 10^{2-}$
$pH=-\log \left[3\times 10^{2-}\right]$
$=2\log 3$
$=1.52$