Question

Which of the following is not an example of ionic hydride
a) NaH
b) CaH2
c) CaH2
d) GeH2

Answer 1

Nah is not an example of ionic hydride


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Answer 2

GeH2 is not an ionic hydride, so the correct response is d).

A substance made up of hydrogen ions (H+) and metal ions (M+) is known as an ionic hydride. Ionic hydrides include sodium hydrides (NaH) and calcium hydrides (CaH2) (calcium hydride). Ionic bonds, which are potent electrostatic forces of attraction between positive and negative ions, are used in these compounds to attach the hydrogen ions to the metal ions.

On the other hand, GeH2 (Germanium dihydride) is a covalent hydride. Atoms share electrons in a covalent bond as opposed to having ions with opposing charges be attracted to one another. GeH2 is not regarded as an ionic hydride because it is made up of hydrogen and germanium atoms joined together by covalent bonds rather than ionic ones.

Ionic and covalent hydrides can sometimes be difficult to distinguish from one another, and some hydrides may exhibit traits common to both kinds of bonds. The general rule is that a hydride is more likely to be an ionic hydride if it contains hydrogen and a metal than it is a covalent hydride if it contains hydrogen and a non-metal.

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