Consider the following statements about the hydrides
(I) Sodium hydride with water liberates oxygen gas
(II) Methane, silane are examples of electron precise hydrides
(III)Ammonia and water molecules are examples of electron deficient hydrides
(IV)Hydrides of beryllium and magnesium are polymeric in structure
The correct statements are
Text Solution
Verified by ExpertsC
Statement (l) is incorrect as the reaction between 
and 
gives sodium hydroxide and hydrogen gas.
Statement (III) is incorrect as 
and 
are electronprecise molecules with a set of eight electrons around the central atom.
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