Question

The increasing order of the acidity of the following acids is:

l) $H_{2}S{O}_3$
ll) $H_{3}P{O}_3$
lll) HClO${}_3$

• A. l>lll>ll
• B. l > ll > lll
• C. lll>l >lI
• D. ll>lll>l

Answer 1

Answer: (C)

lll>l >lI

Here as the non-metallic nature of the central atom increases, its acidity increases in its oxyacids Thus, increasing order of acidity will be:

III > I >II