Which one of the following pairs is an example of polar molecular solids?

The number of molecules from the following which contain only two lone pair of electrons is $\_\_\_\_$ . $...

Which hydride among the following is less stable?

Amongst the following, the number of species having the linear shape is ____.
$\mathrm{XeF}_2, \mathrm{I}_3^{+}, \mathrm{C}_3 \mathrm{O}_2, \mathrm{I}_3^{-}, \mathrm{CO}_2, \mathrm{SO}_2, \mathrm{BeCl}$ and $\mathrm{BCl}_2^{\ominus}$

The bond order and magnetic property of acetylide ion are same as that of

Total number of acidic oxides among $\mathrm{N}_2 \mathrm{O}_3, \mathrm{NO}_2, \mathrm{~N}_2 \mathrm{O}, \mathrm{Cl}_2 \mathrm{O}_7, \mathrm{SO}_2, \mathrm{CO}, \mathrm{CaO}, \mathrm{Na}_2 \mathrm{O}$ and NO is $\_\_\_\_$ .

Boric acid in solid, whereas $\mathrm{BF}_3$ is gas at room temperature because of

Bond dissociation energy of $\mathrm{E}-\mathrm{H}$ bond of the " $\mathrm{H}_2 \mathrm{E}$ " hydrides of group 16 elements (given below), follows order.
(A) O
(B) S...

Chlorides of which metal are soluble in organic solvents:

Statement 1 : Dipole moment is a vector quantity and by convention it is depicted by a small arrow with tail on the negative centre...