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  • Which of the following is incorrect ? Option: 1 Metallic hydrides conduct heatOption: 2 <

Which of the following is incorrect ? 

Option: 1

Metallic hydrides conduct heat


Option: 2

Hydrides of alkali and alkaline earth metals are generally electrovalent compounds 


Option: 3

Ionic hydrides do not conduct electricity in solid-state 


Option: 4

Ionic hydrides conduct electricity in solid-state and not in the molten state


Answers (1)

best_answer

As we have learned

Ionic hydrides conduct electricity only in the fused state, not in the solid-state

Solid ionic compounds do not conduct electricity because there are no free mobile ions or electrons, ionic compounds dissolved in water make an electrically conductive solution.

Electrovalent compounds contain ionic bond.

Therefore,  option(4) is correct.

Posted by

chirag

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