One mole of calcium phosphide on reaction with excess of
water gives? [IIT 1999]
(a) One mole of phosphine
(b) Two moles of phosphoric acid
(c) Two moles of phosphine
(d) One mole of phosphorus pentoxide
Answers
Answered by
1
Answer:
two moles of phosphine
Answered by
1
One mole of calcium phosphide on reaction with excess water gives 2 mol of phosphine (PH
3
) gas and 3 mol of calcium hydroxide (Ca(OH)
2
).
The reaction is as follows:
Ca
3
P
2
+6H
2
O→3Ca(OH)
2
+2PH
3
Hence, option C is correct.
3
) gas and 3 mol of calcium hydroxide (Ca(OH)
2
).
The reaction is as follows:
Ca
3
P
2
+6H
2
O→3Ca(OH)
2
+2PH
3
Hence, option C is correct.
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