A) \[{{H}_{3}}P{{O}_{3}}\]
B) \[{{H}_{3}}P{{O}_{4}}\]
C) \[{{H}_{3}}P{{O}_{2}}\]
D) \[{{H}_{4}}{{P}_{2}}{{O}_{7}}\]
Correct Answer: C
Solution :
\[\underset{x=+1\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}{\mathop{\underset{3+x+(-2\times 2)=0}{\mathop{{{H}_{3}}\overset{*}{\mathop{P}}\,{{O}_{2}}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}}\,}}\,\]
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