Question

What is covalent hydride​

Answer 1

Answer:

Covalent hydrides are liquids or gases that have low melting and boiling points, except in those cases (such as water) where their properties are modified by hydrogen bonding. For example, although volatile, NH3, H2O, and HF are held together in the liquid state primarily by hydrogen bonding.

Extra information

The most common examples of covalent hydrides are methane, ammonia, water and hydrogen chloride. 3.

Molecular hydrides of hydrogen are further classified into three categories as,

Electron precise (CH4, C2H6 , SiH4 , GeH4).

Electron-deficient (B2 H6) and.

Electron-rich hydrides (NH3, H2O).

Answer 2

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They are mainly formed by p block elements and some s block elements ,which have less electronegativity difference than hydrogen.

Characterstics: They are binary compounds . They have covalent bond : Example – CH4(methane) , NH3(ammonia) , H2O(water) and HF(hydrogen fluoride).