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प्रश्न
The oxoacid of phosphorus that is easily obtained from a reaction of alkali and white phosphorus and has two P-H bonds, is ______.
पर्याय
Phosphonic acid
Phosphinic acid
Pyrophosphorus acid
Hypophosphoric acid
MCQ
रिकाम्या जागा भरा
उत्तर
The oxoacid of phosphorus that is easily obtained from a reaction of alkali and white phosphorus and has two P-H bonds, is Phosphinic acid.
Explanation:
\[\ce{P4 + NaOH + H2O -> PH3 + NaH2PO2 ->[HCl] H3PO2}\]
\[\ce{White phosphorus + alkali -> Phosphinic acid}\]
\[\begin{array}{cc}
\ce{O}\\
||\\
\ce{P}\\
\phantom{}/\phantom{.}|\phantom{.}\backslash\phantom{}\\
\ce{\underset{Phosphinic acid}{\phantom{..}H\phantom{..}H\phantom{.}OH\phantom{}}}
\end{array}\]
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