Question

(12. Assertion: Conductivity of a metal is much higher than that of an electrolyte at room temperature.
Reason: Free electron density in metals is much lesser than the density of ions in electrolytes and also free electrons have smaller mobility than ions.

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Answer 1

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Answer 2

Both assertion and reason is correct.

We know that conductivity of any material depends upon the charge carriers that are movable.

The number of charge carriers in electrolytes are less as compared to that of in metals.

Also, at room temperature, the number of free electrons in metal is greater than in electrolytes that's why we can say that conductivity of a metal is much higher than that of an electrolyte at room

temperature.

Electrolytes mainly contains ions while metals contain electrons.

electrons move with greater velocity as compared to ions and it also contributes in greater conductivity of metal.