The order of negative electron gain enthalpy of $\mathrm{Li}, \mathrm{Na}$, $\mathrm{S}, \mathrm{Cl}$ is
The number of molecules having lone pair of electrons on central atom in the following is
$\mathrm{BF}_3, \mathrm{SF}_4, \mathrm{SiCl}_4, \mathrm{XeF}_4, \mathrm{NCl}_3, \mathrm{XeF}_6, \mathrm{PCl}_5, \mathrm{HgCl}_2, \mathrm{SnCl}_2$
Observe the following substances.
Ethanol, acetic acid, ethylamine, trimethylamine, salicylic acid. ethanal.
In the above list, the number of substances with H -bonding is
- Consider the following
Statement I If thermal energy is stronger than intermolecular forces, the substance prefers to be in gaseous state.
Statement II At constant temperature, the density of an ideal gas is proportional to its pressure.
The correct answer is
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