Assertion :Inert electrolytes like KCl , $K N O_{3}$ are used in salt bridge. Reason: Salt bridge provides an electric contact between the two solutions without allowing them to mix with each other

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Salt bridge is a tube containing electrolyte which provides contact with solution.
Inert electrolytes such as $K C l . K N O_{3}$ which have equal value of transport number are used as salt bridge.

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