For Daniell cell, Z n ( s ) + C u 2 + ( a q ) ⇌ C u ( s ) + Z n 2 + ( a q ) The reaction quotient Q is given by Q = [ Z n 2 + ] [ C u 2 + ] OA = 1.10 volt Where E c e l l = 1.1591 volt, then

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Correct answer: A. Q = 0.01

E = E ° - 0.059 n l o g 10 Q For Daniell cell, E ° = 1.10 V (equal to OA) E = 1.10 - 0.059 2 l o g 0.01 = + 1.159 V

For Daniell cell, Z n ( s ) + C u 2 + ( a q ) ⇌ C u ( s ) + Z n 2 + ( a q ) The reaction quotient Q is given by Q = [ Z n 2 + ] [ C u 2 + ] OA = 1.10 volt Where E c e l l = 1.1591 volt, then

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