Question

Four metals labelled as A, B, C and D. They react with each other and with acids in the following way:
(1) B displaces only C from the solution
(2) Only A and D displace hydrogen from 1M HCl
(3) None of the metals displace D from its solution .
Arrange the metals along with hydrogen in the decreasing order of their reduction potential values

Answer 1

Answer:

c<b<Hydrogen<a<d is the correct answer