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Assertion: Ni//Ni^(2+)(1.0M)||Au^(3+)(1.0M)|Au, for this cell emf is 1.75V if E_(Au^(3+)//Au)^(o)=1.50 and E_(Ni^(2+)//Ni)^(o)=0.25V Reason: Emf of the cell =E_("cathode")^(o)-E_("anode")^(o)

Answer»

if both assertion and REASON are TRUE and the reason is the correct EXPLANATION of the assertion.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
If assertion is true but reason is false
If the assertion and reason both are false.

Solution :Both assertion and reason are true and reason is the correct explanation of assertion.
`E_(AU^(3+)//Au)^(@)-E_(Ni//Ni^(2+))^(@)=1.50-(+0.25)=1.25V`


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