Question

In view of the signs of ∆ᵣG° for the following reactions :
PbO₂ + Pb → 2PbO, ∆ᵣG° < 0
SnO₂ + Sn → 2SnO, ∆ᵣG° > 0
Which oxidation states are more characteristics for lead and
tin ?
(a) For lead + 2, for tin + 2 (b) For lead + 4, for tin + 4
(c) For lead + 2, for tin + 4 (d) For lead + 4, for tin + 2

Answer 1

Answer:

In view of the signs of ∆ᵣG° for the following reactions :

PbO₂ + Pb → 2PbO, ∆ᵣG° < 0

SnO₂ + Sn → 2SnO, ∆ᵣG° > 0

Which oxidation states are more characteristics for lead and

tin ?

(a) For lead + 2, for tin + 2

(b) For lead + 4, for tin + 4

(c) For lead + 2, for tin + 4

(d) For lead + 4, for tin + 2

Answer 2

In view of the signs of ∆ᵣG° for the following reactions :

PbO₂ + Pb → 2PbO, ∆ᵣG° < 0

SnO₂ + Sn → 2SnO, ∆ᵣG° > 0

$\huge\fcolorbox{black}{pink}{Answer}$

OPTION A is correct.

(a) For lead + 2, for tin + 2