Question:
Which of the following statements is correct?
(i) Metallic hydrides are deficient of hydrogen.
(ii) Metallic hydrides conduct heat and electricity.
(iii) Ionic hydrides do not conduct electricity in solid-state.
(iv) Ionic hydrides are very good conductors of electricity in solid-state.
Solution:
Option (i) Metallic hydrides are deficient of hydrogen , (ii) Metallic hydrides conduct heat and electricity and (iii) Ionic hydrides do not conduct electricity in solid-state are the answers.