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A compound of phosphorus has the following characteristics (i) it is a white waxy substance (ii) it has garlic odour (iii) it dissolves in cold water to form a dibasic acid (iv) it produces PH3 with hot water. The compound is __________. a) P4O10 b) PCl3 c) P4O6 d) PCl5

A compound of phosphorus has the following characteristics (i) it is a white waxy
substance (ii) it has garlic odour (iii) it dissolves in cold water to form a dibasic acid
(iv) it produces PH3 with hot water. The compound is __________.

a) P4O10 b) PCl3 c) P4O6 d) PCl5

Grade:

2 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
11 months ago
Dear student

The answer is option c

Regards
Vikas TU
14149 Points
11 months ago
The given changes are :
P4+3O2(s)(air)→P4O6(A)(Garlic odour) , P4O6+6H2O(hot)→3H3PO4(C)+PH3(B)
(B) is PH3 having rotten fish smell and neutral towards litmus
6Ag++PH3+3H2O→H3PO3+6Ag(D)⏐↓⏐⏐+6H+
The given changes are :
P4+3O2(s)(air)→P4O6(A)(Garlic odour) , P4O6+6H2O(hot)→3H3PO4(C)+PH3(B)
(B) is PH3 having rotten fish smell and neutral towards litmus
6Ag++PH3+3H2O→H3PO3+6Ag(D)⏐↓⏐⏐+6H+

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