AP EAPCET 05-Jul-2022 Shift 2 Paper

(a)

+1

H

g2Cl2→

0

H

g+

+2

H

gCl2
(b) 4H3

+3

P

O3→3H3

+5

P

O4+

−3

P

H3
(c)

0

C

l2+2‌NaOH→

+1

N

−1

aCl

+NO‌

+1

Cl

+

+1

N

+H2O
(d)

+4

Ba

O2+H2SO4→

+2

Ba

‌SO4+H2O2
∴ It is only (d) which is not an example of disproportionation reaction. In rest of the reactions, there is simultaneous oxidation and reduction of an element. Hence, others are example of disproportionation reaction.