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Grade 12th passPhysical Chemistry

on passing 0.1 farady of electricity through aluminum chloride ,the amount of aluminum metal deposited on cathod is?

Profile image of mansi dabriwal
11 Years agoGrade 12th pass
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1 Answer

Profile image of Aarti Gupta
ApprovedApproved Tutor Answer11 Years ago
Solution--
On passing electricity,
Al3+ + 3e-- --------> Al
i.e,
3F deposit 27g of Al
so,
1F will deposit = 27/3g of Al
and,
0.1F will deposit = 27/3 * 0.1 gof Al
= 0.9g of Al
thus, 0.1F will deposit 0.9g of Al