Select the correct statement(s) about galvanic cell (Daniell cell) with Eanddeg; cell= 1.10 Va)This is observed when Eextandlt; 1.1 V, zinc dissolves at anode and copper deposits at cathodeb)This is observed when Eextandlt; 1.10 V,and no reaction takes place.c)This is observed when Eext andgt;1.1 V, zinc is depositedat the zinc electrode and copper dissolves at the copper electroded)All of the aboveCorrect answer is option 'D'. Can you explain this answer?

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Select the correct statement(s) about galvanic cell (Daniell cell) with E^° _cell = 1.10 V

a)
This is observed when E_ext< 1.1 V, zinc dissolves at anode and copper deposits at cathode
b)
This is observed when E_ext< 1.10 V, and no reaction takes place.
c)
This is observed when E_ext> 1.1 V, zinc is deposited at the zinc electrode and copper dissolves at the copper electrode
d)
All of the above

Correct answer is option 'D'. Can you explain this answer?

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Select the correct statement(s) about galvanic cell (Daniell cell) wit...

E° _cell = 1.10 V
(a) Hence , when E_ext < 1.10 V, reaction continues till the E_extreaches 1.10 V and
Zn(s) + Cu²⁺(aq) → Cu(s) + Zn²⁺(aq)
thus , zinc dissolves at anode and Cu deposits at cathode.
(b) When E_ext = 1.10 V , no reaction.
(c) When E_ext > 1.10V, reverse reaction takes place,

It now acts as electrolytic cell.
Zinc deposits at zinc plate which is now the cathode (+ ve plate) and Cu dissolves as Cu²⁺ at copper plate which is now the anode (- ve plate)

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Select the correct statement(s) about galvanic cell (Daniell cell) with E° cell= 1.10 Va)This is observed when Eext< 1.1 V, zinc dissolves at anode and copper deposits at cathodeb)This is observed when Eext< 1.10 V,and no reaction takes place.c)This is observed when Eext >1.1 V, zinc is depositedat the zinc electrode and copper dissolves at the copper electroded)All of the aboveCorrect answer is option 'D'. Can you explain this answer?

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