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CBSE Class 12-science Answered

f o r space c o n c e n t r a t i o n space c e l l C u left parenthesis s right parenthesis vertical line C u to the power of plus 2 end exponent left parenthesis 0.01 M right parenthesis vertical line vertical line space C u to the power of plus 2 end exponent left parenthesis 0.1 M right parenthesis vertical line C u left parenthesis s right parenthesis c a l c u l a t e space t h e space c e l l space p o t e n t i a l a c t u a l l y space t h e space a n s space g i v e n space f o r space t h i s space i s space 0.295 V b u t space i space a m space n o t space a b l e space t o space g e t space i t s o space p l s space p r o v i d e space t h e space s o l space w i t h space e q u a t i o n space f o r space a b o v e space c e l l
Asked by charvipareek057 | 29 Apr, 2019, 03:51: PM
answered-by-expert Expert Answer
The half celll reactions are-
 
A t space a n o d e minus C u rightwards arrow C u to the power of plus 2 end exponent space plus 2 e to the power of minus C u to the power of plus 2 end exponent space plus space 2 e to the power of minus rightwards arrow C u C o m p l e t e space e q u a t i o n space C u space plus C u to the power of plus 2 end exponent left parenthesis 0.1 space m o l e backslash l right parenthesis space rightwards arrow C u to the power of plus 2 end exponent left parenthesis 0.01 space m o l e backslash l right parenthesis plus C u T h e space N e r n s t space e q u a t i o n space f o r space c e l l space p o t e n t i a l space E equals E degree subscript c e l l end subscript minus fraction numerator R T over denominator Z F end fraction ln Q space A t space n o r m a l space t e m p e r a t u r e comma space E degree subscript c e l l end subscript equals 0 Q equals fraction numerator left square bracket C u to the power of plus 2 end exponent right square bracket subscript p r o d u c t end subscript over denominator left square bracket C u right square bracket subscript r e a c tan t end subscript end fraction equals fraction numerator 0.01 over denominator 0.1 end fraction equals 0.1 E equals negative fraction numerator 8.314 cross times 298.15 over denominator 2 cross times 96485 end fraction ln left parenthesis 0.1 right parenthesis space space space space equals space 0.0295 space V
Answered by Ravi | 02 May, 2019, 02:50: PM
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