6 The cell in which the following reaction occurs:
(
)
(
)
(
)
( )
+
−
+
+
→
+
3
2
2
aq
aq
aq
2Fe
2I
2Fe
I
s  has 
o
Ecell
 = 0 236 V at 298 K Calculate the standard Gibbs energy and the equilibrium constant of the
cell reaction Rationalised 2023-24
42
Chemistry
*
Electronically conducting polymers – In 1977 MacDiarmid, Heeger and Shirakawa discovered that acetylene gas can be
polymerised to produce a polymer, polyacetylene when exposed to vapours of iodine acquires metallic lustre and
conductivity