Question

what is the no. of replaceable hydrogen in H3PO3??
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Answer 1

$\huge\underline\mathfrak\purple{Solution}$

➡There are two isomers of H3PO3 -

one has two protons that can dissociate, one has three.

HOPE it helps to you!!☺

Answer 2

Answer:H3PO3 is a diprotic acid, and the no. of replaceable hydrogen in H3PO3 is 2.

Explanation: