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Rgw atomic weight of Al is 27. When a cu...

Rgw atomic weight of Al is `27`. When a current of `5F` is passed through a solution of `Al^(+++)` ions, the qeight of `AL` deposited is.

A

27gm

B

36gm

C

45gm

D

39gm

Text Solution

Verified by Experts

The correct Answer is:
C
`Al^(3+)+3e^(-)toAl`
`E_(Al)=(27)/(3)=9`
`W_(Al)=E_(Al)xx"No. of faradays"=9xx5=45gm`.
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