Elements of which of the following group(s) of periodic table do not form hydrides?

1. Groups 7, 8, 9

2. Group 13

3. Groups 15, 16, 17

4. Group 14


 


Hint: Iron, Cobalt, and Nickel containing groups doesnot form hydride

Dihydrogen forms molecular compounds with most of the p-block elements. Most familiar examples are CH4, NH3, H2O and HF. For convenience hydrogen compounds of non-metals have also been considered as hydrides.