pBlock ElementsII - Result Question 26
####26. For $H _3 PO _3$ and $H _3 PO _4$, the correct choice is
$(2003,1 M)$
(a) $H _3 PO _3$ is dibasic and reducing
(b) $H _3 PO _3$ is dibasic and non-reducing
(c) $H _3 PO _4$ is tribasic and reducing
(d) $H _3 PO _3$ is tribasic and non-reducing
Show Answer
Solution:
- $H _3 PO _3$ is a dibasic, reducing acid. $H _3 PO _4$ is tribasic, non-reducing acid.
Dibasic, reducing
Tribasic, non-reducing