Jee Main
Electrochemistry
JEE Main 2021 (Online) 26th August Evening Shift
INTEGER+4 / -12021
For the galvanic cell,
Zn(s) + Cu2+ (0.02 M) \(\to\) Zn2+ (0.04 M) + Cu(s),
Ecell = ______________ \(\times\) 10\(-\)2 V. (Nearest integer)
[Use : \(E_{Cu/C{u^{2 + }}}^0\) = \(-\) 0.34 V, \(E_{Zn/Z{n^{2 + }}}^0\) = + 0.76 V, \({{2.303RT} \over F} = 0.059\,V\)]
Zn(s) + Cu2+ (0.02 M) \(\to\) Zn2+ (0.04 M) + Cu(s),
Ecell = ______________ \(\times\) 10\(-\)2 V. (Nearest integer)
[Use : \(E_{Cu/C{u^{2 + }}}^0\) = \(-\) 0.34 V, \(E_{Zn/Z{n^{2 + }}}^0\) = + 0.76 V, \({{2.303RT} \over F} = 0.059\,V\)]