NEETChemistryHydrogen
Which lighter metal hydrides exhibit significant covalent character and have a polymeric structure?
Options
- ASodium hydride (NaH)
- BBeryllium hydride (BeH 2 ) and magnesium hydride (MgH 2 )
- CLithium hydride (LiH)
- DCalcium hydride (CaH 2 )
Correct answer
B. Beryllium hydride (BeH 2 ) and magnesium hydride (MgH 2 )
Step-by-step solution
Beryllium hydride (BeH 2 ) and magnesium hydride (MgH 2 ) have significant covalent character and a polymeric structure.