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Phosphine

One mole of c...

Question

One mole of calcium phosphide on reaction with excess of water gives how many moles of phosphine?

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Solution

The reaction involved in it is:
$C a_{3} P_{2} + 6 H_{2} O \to 2 P H_{3} + 3 C a (O H)_{2}$ .

One mole of calcium phosphide on reaction with excess of water gives two moles of phosphine.

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Q. Many hundred years ago, a ship was transporting calcium carbide and calcium phosphide (stored in different container). By chance sea-water entered sea and luminous flame appeared a ghost would have come. However, a chemist travelling in it explained it based on reactions. These reactions are

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