Ts Eamcet
P Block Elements
TS EAMCET 2020 (Online) 11th September Morning Shift
MCQ+1 / -02020
Decreasing order of number of ionisable hydrogen atoms in the following molecules is
I. $\mathrm{H}_3 \mathrm{PO}_4$
II. $\mathrm{H}_3 \mathrm{PO}_3$
III. $\mathrm{H}_3 \mathrm{PO}_2$
IV. $\mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_6$