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Formation of Salts

Which one is ...

Question

Which one is not an acid salt?

A

NaH₂PO₂

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B

NaH₂PO₄

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C

NaH₂PO₃

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D

Nacl

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Solution

The correct option is A
NaH₂PO₂

In $H_{2} {P O}_{2}^{-}$ both the hydrogens are bonded to ‘P', so these hydrogen ions are not released when dissolved in water. The corresponding acid is weak, and therefore it is not an acid salt.

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Similar questions

N a H_{2} P O_{2}

N a H P O_{3}

are acid salts.

Q. In the reaction,

P_{4} + N a O H \to P H_{3} + N a H_{2} P O_{2}

, mole ratio of

N a H_{2} P O_{2}

P H_{3}

H_{3} P O_{2}

N a H_{2} P O_{2}

. The equivalent weight of acid (in g) is :

N a H_{2} P O_{2}

N a H S O_{4}

salts as acid salt or normal salt.

Q. Phosphorus on reaction with

N a O H

P H_{3}

N a H_{2} P O_{2}

, This reaction is an example of:

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