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On passing 3 Ampere of electricity for 5...

On passing 3 Ampere of electricity for 50 minutes, 1.8 g metal is deposited. The equivalent mass of metal is

A

20.5

B

25.8

C

19.3

D

30.7

Text Solution

Verified by Experts

The correct Answer is:
C
`w_("metal")=(ExxIxxt)/96500=(Exx3xx50xx60)/96500`
`E=(96500xxw)/(3xx50xx60)=(96500xx1.8)/(3xx50xx60)=19.3`
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Knowledge Check

  • On passing 3 A of electricity for 50 min, 1.8 g of metal deposits. The equivalent mass of metal is

    A
    20.5
    B
    25.8
    C
    19.3
    D
    30.7

  • On passing 3 A of electricity for 50 min, 1.8 g metal deposits. The equivalent mass of metal is

    A
    9.3
    B
    19.3
    C
    38.3
    D
    39.9

  • On passing 9.65 amperes of electricity for 1000 seconds, 2.0 grams of metal deposits . The molar of metal is

    A
    40
    B
    20
    C
    2
    D
    10

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