Question

$pH$ of $0.1M$ ${CH}_{3}COOH$ and $0.1M$ $HCl$ are same. If true write 1, else write 0.

Answer 1

$pH=-log\left[H^{+}\right]$

As we know acetic acid is weak acid while HCl is a strong acid so it will completely ionise.

So $0.1M$ ${CH}_{3}COOH$ have higher pH than $0.1M$ $HCl$.