JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Ionic hydrides:

(A)Conduct electricity in fused stateCorrect
(B)Are formed with elements of high ionization energy
(C)Do not exist
(D)Occupy the vacant spaces in metallic lattice

Answer: (A)

Solution

Ionic (saline) hydrides, formed by highly electropositive s-block metals, consist of discrete and ions and conduct electricity when molten (fused), as the ions become mobile. They are formed by elements of low (not high) ionisation energy (ruling out B), they do genuinely

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Question ID VK-137834