pBlock ElementsII - Result Question 26

####26. For H3PO3 and H3PO4, the correct choice is

(2003,1M)

(a) H3PO3 is dibasic and reducing

(b) H3PO3 is dibasic and non-reducing

(c) H3PO4 is tribasic and reducing

(d) H3PO3 is tribasic and non-reducing

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Solution:

  1. H3PO3 is a dibasic, reducing acid. H3PO4 is tribasic, non-reducing acid.

Dibasic, reducing

Tribasic, non-reducing



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