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Electrochemistry question

2020 · 4 Sep · Shift 2 · Q17

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JEE Main
Chemistry
Electrochemistry
2020 · 4 Sep · Shift 2 · Q17

Electrochemistry question

2020 · 4 Sep · Shift 2 · Q17

JEE MainChemistryElectrochemistryMCQ+4 / −1

250 mL of a waste solution obtained from the workshop of a goldsmith contains 0.1 M

AgNO_3

and 0.1 M

AuCl

. The solution was electrolyzed at 2V by passing a current of 1A for 15 minutes. The metal/metals electrodeposited will be [

E_{A{g^ + }/Ag}^0

= 0.80 V,

E_{A{u^ + }/Au}^0

= 1.69 V ]

A
Silver and gold in equal mass proportion
B
Silver and gold in proportion to their atomic weights
C
Only gold
D
Only silver

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