Question

J.J Science Academy
Chemistry (XII - NEET)
where anledge, experience & His converge
Date: 07/06/2019
Marks: 180
Time: 1 hr.
Electrochemistry- Test -1
1.
How many minutes will it take to plate out 5.2g of Cr from a Cr2(SO4)3 solution using a current of
9.65 A? (Atomic weight: Cr = 52.0)
(1) 200
(2) 50
09 100
(4) 104
Directions (Q. 2-4) Answer the following questions on the basis of the diagram given below.
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Answer 1

Answer:

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Answer 2

Answer:

200minutes will it take to plate out5.2 gr ofcr