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Properties and Uses of Calcium Oxide

Basicity of ...

Question

Basicity of $H_{3} P O_{3}$ and $H_{3} P O_{2}$ are respectively

A

1

and

2

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B

2

and

3

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C

3

and

2

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D

2

and

1

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Solution

The correct option is C $2$ and $1$
Basicity of $H_{3} P O_{3}$ is 2.
Basicity of $H_{3} P O_{2}$ is 1.
Hence, option D is correct.

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