TS EAMCET · Chemistry · s Block Elements
The correct statements among the following are. (A) \(\mathrm{BeH}_2\) and \(\mathrm{MgH}_2\) are polymeric in nature. (B) \(\mathrm{LiH}\) is unreactive to oxygen, at moderate temperatures. (C) \(\mathrm{BeH}_2\) and \(\mathrm{MgH}_2\) possesses significant covalent character. (D) the stability of alkali hydrides follows the order \(\mathrm{LiH} < \mathrm{NaH} < \mathrm{KH} < \mathrm{RbH} < \mathrm{CsH}\).
- A A, B, C, D
- B A, C only
- C A, C, D only
- D A, B, C only
Answer & Solution
Correct Answer
(D) A, B, C only
Step-by-step Solution
Detailed explanation
The correct statements among the following are. (A) \(\mathrm{BeH}_2\) and \(\mathrm{MgH}_2\) are polymeric in nature. (B) \(\mathrm{LiH}\) is unreactive to oxygen, at moderate temperatures. (C) \(\mathrm{BeH}_2\) and \(\mathrm{MgH}_2\) possesses significant covalent character.…
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