Question

When iron is rusted, it is :

• A. Reduced
• B. Oxidized
• C. Evaporated
• D. Decomposed

Answer 1

Answer: (A)

Reduced

Answer 2

AgNO3 At cathod Ag+ + e–$\longrightarrow$ Ag(s)

At anode 2H2O$\longrightarrow$ O2 + 4H+ + 4e–

$\therefore$At cathode pH will increase.