1.

Reduction potential of A,B,C and D are 0.8V, 0.79V, 0.34V and -2.37V respectively. Which element displaces all the other three elements

Answer»

B
A
D
C

Solution :Among the given elements, D has the minimum REDUCTION POTENTIAL (-2.37V), HENCE, it can DISPLACE all other from their salts.


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