A) \[HP{{O}_{3}}\]
B) \[{{H}_{3}}P{{O}_{4}}\]
C) \[{{H}_{3}}P{{O}_{3}}\]
D) \[HP{{O}_{2}}\]
Correct Answer: C
Solution :
When phosphorous trioxide is dissolved in water, phosphorous acid\[({{H}_{3}}P{{O}_{3}})\]is formed \[{{P}_{4}}{{O}_{6}}+6{{H}_{2}}O\to 4{{H}_{3}}P{{O}_{3}}\]
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