Oxidation number of Cu is …………
a) 0
b) -1
c) -2
d) +2
A specie that reduces a substance and itself gets oxidized is called ……….
a) oxidizing agent
b) reducing agent
c) a & b both
d) none of these
Example of reducing agent is ………….
a) H2S
b) SO2
c) Na
d) all of these
Reducing agent may be ………….
a) donor of hydrogen
b) donor of an electron
c) acceptor of oxygen
d) all of these
Oxidation number of an reducing agent is.….. during redox reaction.
a) decreased
b) increased
c) a & b both
d) none of these
Oxidation number of S in H2S is
a) 0
b) -1
c) -2
d) +2
