Some Basic Concepts Of Chemistry Question 312

Question: One mole of calcium phosphide on reaction with excess of water gives [IIT 1999]

Options:

A) One mole of phosphine

B) Two moles of phosphoric acid

C) Two moles of phosphine

D) One mole of phosphorus pentoxide

Show Answer

Answer:

Correct Answer: C

Solution:

$ Ca _3P _2+6H _2O\to 2PH _3+3Ca{{(OH)}_2} $



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