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Which one the following is a covalent hydride ?A. `CaH_(2)`B. NaHC. `BH_(3)`D. `BeH_(2)` |
Answer» Correct Answer - C Hydrides are binary ompounds of hydrogen. These can be calssified into four groups : (i) lonic hydrides :` NaH, CaH_(2), LiH` (ii) Covalent hydrides : `B_(2)H_(6), NH _(3), SBH_(3)` (iii) Polynucles hydrides : `LiAIH_(4), NaBh_(4)` (iv) Intersitital hydrical are those in which hydrogen is trapped in the interetitial space of transition of transition metals . |
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