Question

$p{K}_a$ value of the strongest acid among the following is:

• A. $3.0$
• B. $4.5$
• C. $1.0$
• D. $2.0$

Answer 1

Answer: (C)

$1.0$

Smaller the $p{K}_a$ value than. Stronger the acid.
In the given $p{K}_a$ values option C is smaller value.