Question:
Among the following, which is an ionic hydride?
Among the following, which is an ionic hydride?
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Ionic hydrides are usually formed by alkaline and alkaline earth metals reacting with hydrogen, whereas covalent hydrides are formed by nonmetals like boron, phosphorus, and silicon.
Updated On: Apr 25, 2025
- BH\(_3\)
- PH\(_3\)
- MgH\(_2\)
- SiH\(_4\)
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The Correct Option is C
Solution and Explanation
Ionic hydrides are compounds formed between hydrogen and highly electropositive metals, where hydrogen exists as the hydride ion \( H^- \).
- MgH\(_2\) is an ionic hydride because it is formed by the combination of magnesium (a metal) and hydrogen, where the hydrogen acts as \( H^- \).
- BH\(_3\), PH\(_3\), and SiH\(_4\) are covalent hydrides, not ionic.
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