Question

pH of 10 M $HCl$ solution is

• A. 1
• B. 0
• C. 2
• D. less than zero

Answer 1

Answer: (D)

$[H^{+}]=10M$
$pH=-{\log }_{10}[H^{+}]$
$=-{\log }_{10}[10]$
$=-1$
Hence, pH of $10MHCl$ solution is less than zero.