Redox Reaction Quiz 1

Question 1

Loss of electrons means &hellip;&hellip;&hellip;&hellip;.

Accepted Answer

oxidation

Answer

reduction

Answer

precipitation

Answer

complexometry

Question 2

Reduction involves &hellip;&hellip;&hellip;&hellip;&hellip;

Accepted Answer

gain of electrons

Answer

addition of oxygen

Answer

increase in oxidation number

Answer

loss of electron

Question 3

Which of the following statement is INCORRECT?

Accepted Answer

In oxidation, there is decrease in oxidation number.

Answer

Oxidant is a substance which increases the oxidation number of other substance.

Answer

Reductant is a substance which decreases the oxidation number of other substance.

Answer

The oxidation number of oxidant decreases.

Question 4

Which is the best description of the behaviour of chlorine in the reaction? $H_2 O + Cl_2 \rightarrow HOCl + HCl$

Accepted Answer

Both oxidised and reduced

Answer

Neither oxidized not reduced

Answer

Oxidised only

Answer

Reduced only

Question 5

In electrochemical cell, the magnitude and direction of the electrode potential depends on which of the following?

Accepted Answer

All of these

Answer

Nature of metal and ions

Answer

Concentration of ions

Answer

Temperature

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