If g of is completely reduced by 100 mL of 0.02 M in acid medium and g of required to…

CHEMISTRY · Single correct · A Level · Chemistry · Oxidation, reduction and redox reactions · Oxidation, reduction and redox reactions

Problem

a

g of

\text{NaHC}_2\text{O}_4

is completely reduced by 100 mL of 0.02 M

\text{KMnO}_4

in acid medium and

b

g of

\text{NaHC}_2\text{O}_4

required to neutralise completely 100 mL of 0.2 M NaOH, then: (1)

a = b

(2)

2a = b

(3)

a = 2b

(4)

b = 4a