Interpretation:
The substance that conducts electricity needs to be determined from the given options.
Concept introduction:
On the basis of
Covalent compounds are formed by equal sharing of electrons between bonded atoms. Ionic compounds are good conductor of electricity due to presence of ions whereas covalent compounds are insulators.
Answer to Problem 19STP
Option (B) and (C) are correct options.
Explanation of Solution
Reason for correct option: Ionic compounds are good conductor of electricity in their aqueous state but they act as insulator in solid state. This is because in solid state, ions are strongly bonded with each other.
Reasons for incorrect options:
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