Balancing Of Equations

Number of moles of required to oxidise one mole of ferrous oxalate completely in an acidic medium will be:

1.	0.6 mole	2.	0.4 mole
3.	7.5 moles	4.	0.2 mole

The change in oxidation number of chlorine when Cl₂ gas reacts with hot and concentrated sodium hydroxide solution is:

1. Zero to +1 and Zero to –5

2. Zero to –1 and Zero to +5

3. Zero to –1 and Zero to +3

4. Zero to +1 and Zero to –3

For the redox reaction,
a${\mathrm{MnO}}_4^{-}+{\mathrm{bC}}_2{\mathrm{O}}_4^{2-}+{\mathrm{cH}}^{+}\to {\mathrm{dMn}}^{2+}+{\mathrm{eCO}}_2+{\mathrm{fH}}_2\mathrm{O}$
the correct stoichiometric coefficients of the reactants a, b, and c respectively for the balanced equation are:

1.	16, 5, 2	2.	2, 5, 16
3.	2, 16, 5	4.	5, 16, 2

For the given redox reaction, find out the coefficients a, b and c of a balanced equation respectively:

1.	8, 1 and 3	2.	1, 3 and 8
3.	3, 8 and 1	4.	1, 8 and 3