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Chlorides of Phosphorus

Dehydrated ph...

Question

Dehydrated phosphorus trichloride in water gives:

A

H_{3} P O_{3}

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B

H_{3} P O_{4}

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C

H_{3} P O_{2}

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D

none

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Solution

The correct option is A $H_{3} P O_{3}$

Dehydrated phosphorus trichloride in water gives phosphoric acid.
$P C l_{3} + 3 H_{2} O \to H_{3} P O_{3} + 3 H C l$
Hence option A is correct.

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Q. True statement for the acids of phosphorus

H_{3} P O_{2}, H_{3} P O_{3}

H_{3} P O_{4}

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