JEE MAIN - Chemistry Hindi (2021 - 26th August Evening Shift - No. 17)
गैल्वेनिक सेल के लिए,
Zn(s) + Cu2+ (0.02 M) $$\to$$ Zn2+ (0.04 M) + Cu(s),
Ecell = ______________ $$\times$$ 10$$-$$2 V. (निकटतम पूर्णांक)
[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. (निकटतम पूर्णांक)
[Use : $$E_{Cu/C{u^{2 + }}}^0$$ = $$-$$ 0.34 V, $$E_{Zn/Z{n^{2 + }}}^0$$ = + 0.76 V, $${{2.303RT} \over F} = 0.059\,V$$]
Answer
109
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