Question

(iii) The electrical conductivity of alkali metals is ....... than that of the alkaline earth metals.
(a) very high (b) very low (c) less
(d) comparable​

Answer 1

Answer:

The answer is a option A

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Answer 2

The correct option is c.

• The group I elements are called alkali metals. These alkali metals are highly conductive of heat and electricity.
• The group II elements are called alkaline earth metals. These metals have very low ionisation potential so, they can easily lose electrons and show high thermal and electrical conductivity than alkali metals.
• The electrical conductivity of alkali metals is less than that of alkaline earth metals.