SATHEE: P-Block Elements Ques 327

P-Block Elements Ques 327

Question: By the action of hot conc. $H_{2} S O_{4},$ phosphorus changes to

[Roorkee 1992]

Options:

A) Phosphorus acid

B) Orthophosphoric acid

C) Metaphosphoric acid

D) Pyrophosphoric acid

Show Answer

Answer:

Correct Answer: B

Solution:

$P_{4} + 6 H_{2} S O_{4} \to 4 H_{3} P O_{4} + 6 S O_{2}$

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P-Block Elements Ques 327

Question: By the action of hot conc. H2SO4, phosphorus changes to

Options:

Answer:

Solution:

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Question: By the action of hot conc. $H_{2} S O_{4},$ phosphorus changes to