Question

The standard electrode potentials of four elements A, B, C and D are – 3.05, – 1.66, – 0.40 and + 0.80. The highest chemical reactivity will be exhibited by

Options

• A

• B

• C

• D

Answer 1

A

Explanation:

Standard electrode potential i.e. reduction potential of A is minimum (– 3.05 V) i.e. its oxidation potential is maximum which implies ‘A’ is most reactive chemically.