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प्रश्न
One mole of calcium phosphide on reaction with excess water gives ______
विकल्प
one mole of phosphine
two moles of phosphoric acid
two moles of phosphine
one mole of phosphorus pentoxide
MCQ
रिक्त स्थान भरें
उत्तर
One mole of calcium phosphide on reaction with excess water gives two moles of phosphine.
Explanation:
\[\ce{\underset{(1 mol)}{Ca3P2} + 6H2O -> 3Ca(OH)2 + \underset{(2 mol)}{2PH3↑}}\]
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