Which of the following solutions are weak electrolytes?

N a H C O_{3}

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Oxalic acid

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N H_{4} O H

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All of these

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Solution

The correct option is D All of these
A strong electrolyte will completely dissociate into its component ions in solution. A weak electrolyte, will remain mostly undissociated in solution and dissociates very less. Oxalic acid, carbonic acid, $N H_{4} O H$ , $N a H C O_{3}$ , $N a_{2} C O_{3}$ and sodium acetate are weak electrolytes.

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