Chemistry - Complete s-block Question with Solution | TestHub
ChemistryComplete s-blocks-block IIAMedium2 minQB
ChemistryMediumsingle choice
Passage / Comprehension
The elements Mg, Cr, Sr and Ba are react with hydrogen to form hydrides ' '. Beryllium hydride is difficult to prepare, and less stable then the others.
On hydrolysis with water and dilute acids, alkaline earth metal hydrides produces -
Options:
Answer:
B
Solution:
Alkaline earth metal hydrides are represented as MH₂, where M = Mg, Ca, Sr, Ba.
On hydrolysis with water or dilute acids, these hydrides produce hydrogen gas.
General reaction:
Therefore, the gas evolved is:
Stream:JEESubject:ChemistryTopic:Complete s-blockSubtopic:s-block IIA
⏱ 2mℹ️ Source: QB
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