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Which of the ...

Question

Which of the following is not a strong electrolytes ?

A

N a C l

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B

K N O_{3}

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C

N H_{4} O H

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D

F e S O_{4}

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Solution

The correct option is B $N H_{4} O H$
Here ${N H}_{4} O H$ is not a strong electrolyte because it doesn't dissociates completely.
$\to$ $∴$ ${N H}_{4} O H$ is a weak electrolyte.
Ans :- Option $C$ .

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