Interpretation:
The name of an ionic hydride and a covalent hydride is to be given, preparation for each case is to be described, and the structure of the compound is to be given.
Concept Introduction:
The hydrogen bond involves interaction between partial positive-charged hydrogen atoms and more electronegative atoms.
The electronegative atoms could be nitrogen, oxygen, fluorine, and adjacent atoms that contain a lone pair of electrons.
All those compounds that contain an element linked to hydrogen atom, in which hydrogen is considered a more electronegative species, are known as binary hydrides. It could be ionic, covalent, or interstitial.
Ionic hydrides are the hydrides in which a hydrogen atom is linked directly with an alkali metal.
Covalent hydrides are the hydridesin which a hydrogen atom is bonded to the atom of another element covalently.
Interstitial hydrides are the hydridesin which a hydrogen atom and a metal are found in constant ratio, which means hydrogen atom is combined to the metal.
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Student Study Guide for Chemistry
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