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Ms. Neelam, a class 10 teacher took Cu, ...

Ms. Neelam, a class 10 teacher took Cu, Al, Pb and Zn strips respectively in four test tubes labelled as, I, II, III and IV and added 10 mL of freshly prepared ferrous sulphate solution to each test tube as shown in the figure :

Black residue would be obtained in test tubes

A

I and II only

B

I and III only

C

II and III only

D

II and IV only.

Text Solution

Verified by Experts

The correct Answer is:
D
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