1st Year Chemistry MCQS with Answers Chapter 10

Electrolysis is a process in which a chemical reaction takes place at the expense of

Electrical energy

Heat energy

None of these

Chemical energy

Oxidation number of carbon in NaHCO₃

-6

6

4

2

The best reducing agent is

I^-1

CI^-1

Br^-1

F^-1

The cathodic reaction in the electrolysis of dill. H₂SO₄with Pt electrodes is

Oxidation

Both oxidation and reduction

Reduction

Neither oxidation nor reduction

If a strip of Cu metal is placed in a solution of FeSO₄

Fe is precipitated out

No reaction takes place

Cu will be precipitated out

Cu and Fe both dissolve