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Oxyacids of Phosphorus

Which of the ...

Question

Which of the following salts does not show its correct nature mentioned against it?

A

KBr solution - Neutral

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B

NaCN solution - Acidic

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C

N H_{4} N O_{3}

solution - Acidic

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D

KF solution - Basic

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Solution

The correct option is B NaCN solution - Acidic
$C H_{3} C O O N a + H_{2} O ⇌ C H_{3} C O O H + N a O H$
$N a O H ⇌ N a^{+} + O H^{-}$

$N a C N$ sodium cyanide is a salt made from a strong base $N a O H$ and a weak acid $H C N$ , so it can be treated as a basic salt.

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