The potential energy $(y)$ curve for $H_2$ formation as a function of internuclear distance $(x)$ of the $H$ atoms is shown below.
The bond energy of $H_2$ is

Covalent compounds are soluble in ..............

What type of bond is present in the $H_2S$ molecule?

The $B-F$ bond dissociation energy in $BF_3$ is $646 \ kJ \ mol^{-1}$,whereas the $C-F$ bond dissociation energy in $CF_4$ is $515 \ kJ \ mol^{-1}$. Which of the following is the correct reason for the $B-F$ bond dissociation energy being higher than the $C-F$ bond dissociation energy?

Which statement is true about the most stable Lewis structure for $CS_2$?

Distinguish between the Lewis structures of the following pairs of molecules:
$(i)$ $BCl_3$ and $BH_3$
$(ii)$ $BeCl_2$ and $BeH_2$