TS EAMCET Engineering 12 May 2023 Shift 1 Solved Paper

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