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Oxyacids of Phosphorus

How many mole...

Question

How many moles of hypophosphorous acid are involved in its thermal decomposition reaction when one mole of each product is formed?

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Solution

Thermal decomposition of hypophosphorus acid when one mole of each product is formed is as follows:
$2 H_{3} P O_{2} \to P H_{3} + H_{3} P O_{4}$ .
Hence, 2 moles of hypophosphorous acid is involved when one mole of each product is formed.

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