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Important questions on Galvanic Cells

Assertion

Redox couple is the combination of oxidised and reduced form of a substance involved in an oxidation or reduction half cell.

Reason

In the representation , and are redox couples.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Both Assertion and Reason are incorrect
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Assertion

Inert electrolytes like KCl , are used in salt bridge.

Reason

Salt bridge provides an electric contact between the two solutions without allowing them to mix with each other

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Both Assertion and Reason are incorrect
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When ammonia is added to a solution, its is raised to . Which half-cell reaction is affected by the and by how much?

A
will increase by a factor of from
B
will decrease by a factor of from
C
will increase by a factor of from
D
will decrease by a factor of from
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