In presence of small amount of water, PCl5 hydrolyzes to form :
PCl3
POCl3
POCl
H3PO3
A
H3PO3
B
PCl3
C
POCl
D
POCl3
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Solution
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In limited amount of water, PCl5(s)+H2O(l)→POCl3(l)+2HCl(aq) In large amount of water, PCl5(s)+4H2O(l)→H3PO4+5HCl
Hence, the correct option is (C).
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