The standard reduction potentials of Sn, Hg and Cr are – 1.36 V, 0.854 V and – 0.746 V respectively. The increasing order of oxidising power of the given elements is
A. Sn < Hg < Cr
B. Hg < Cr < Sn
C. Sn < Cr < Hg
D. Cr < Hg < Sn
Answer:C
The standard reduction potentials of Sn, Hg and Cr are – 1.36 V, 0.854 V and – 0.746 V respectively. The increasing order of oxidising power of the given elements is
A. Sn < Hg < Cr B. Hg < Cr < Sn C. Sn < Cr < Hg D. Cr < Hg < Sn