MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryHydrogenPreparation of Dihydrogen

NaH s H O NaOH aq H g -> and 8LiH Al Cl 2LiAlH 6LiCl -> In the above reaction, NaH and LiH are the examples of

A.Ionic or saline or salt like hydrides✓ Correct

B.Covalent or molecular hydrides

C.Metallic or non-stochiometric hydrides

D.Stoichiometric hydrides

Explanation

Saline or ionic hydrides react violently with water producing hydrogen gas. 2 2 NaH s H O NaOH aq H g -> Lithium hydride is rather unreactive at moderate temperature with O2 or Cl2. It is, therefore, used in the synthesis of other hydrides, e.g., 2 6 4 2 6 4 8LiH Al Cl 2LiAlH 6LiCl 2LiH B H 2LiBH -> ->

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