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Chemical Properties

Conc. sulphur...

Question

Conc. sulphuric acid oxidises phosphorus to

A

Phosphorous pentaoxide

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B

Phosphorus trioxide

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C

Phosphorous acid

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D

Phosphoric acid

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Solution

The correct option is D
Phosphoric acid

Phosphorus gets oxidised to phosphoric acid according to the following reaction :

$2 P + 5 H_{2} S O_{4} \to 2 H_{3} P O_{4} + 2 H_{2} O + 5 S O_{2}$

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Similar questions

Q. Concentrate nitric acid oxidises phosphorus to phosphoric acid according to the following equation:

P + 5 H N O_{3} (c o n c .) \to H_{3} P O_{4} + H_{2} O + 5 N O_{2}

What mass of phosphoric acid can be prepared from

6.2 g

of phosphorous?

Q. Concentrate nitric acid oxidises phosphorus to phosphoric acid according to the following equation:

P + 5 H N O_{3} (c o n c .) \to H_{3} P O_{4} + H_{2} O + 5 N O_{2}

9.3 g

of phosphorus was used in the reaction, calculate:
The mass of phosphoric acid formed.

Compounds of nitrogen, phosphorus and sulphur such as ammonia, phosphoric acid and sulphuric acid are used in fertiliser industry.

Describe contact process for the manufacture of sulphuric acid?

Q. Phosphoric acid is formed when phosphorus pentoxide reacts with ______.

Q. The state hybridization of phosphorus in phosphoric acid is:

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