MCQ
By the action of hot conc. ${H_2}S{O_4},$ phosphorus changes to
- APhosphorus acid
- ✓Orthophosphoric acid
- CMetaphosphoric acid
- DPyrophosphoric acid
✓
Answer
Correct option: B.
Orthophosphoric acid
b
(b) ${P_4} + 6{H_2}S{O_4}\, \to \,4{H_3}P{O_4} + 6S{O_2}$
(b) ${P_4} + 6{H_2}S{O_4}\, \to \,4{H_3}P{O_4} + 6S{O_2}$
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