NEET Questions

An organic compound contains 40% carbon, 6.67% hydrogen, and 53.33% oxygen. Its vapour density is 30. What is its molecular formula?

A sample of a volatile liquid was found to have a vapour density of 30. If 0.2 moles of the liquid occupies 4.9 L at 1 atm and 273 K, what is the abnormal molar mass of the liquid?

The relation between molecular weight $\left( M \right)$ and vapour density $\left( VD \right)$ is:

A hydrocarbon contain , the vapour density of compound is 30, empirical formula of compound is

The empirical formula of an organic compound is ${\bf{C}}{{\bf{H}}_{\bf{2}}}{\bf{O}}$ , its vapour density is 45, The molecular formula of the compound is

If the ratio of vapour density for hydrogen and oxygen is $\frac{1}{{16}},$ then under constant pressure the ratio of their $rms$ velocities will be

If the ratio of vapour density for hydrogen and oxygen is $\frac{1}{{16}},$ then under constant pressure the ratio of their $rms$ velocities will be

The ratio of the vapour densities of two gases at a given temperature is $9:8$. The ratio of the rms velocities of their molecules is

The ratio of the vapour densities of two gases at a given temperature is $9:8$. The ratio of the rms velocities of their molecules is

The vapour density of ${{\rm{N}}_2}{{\rm{O}}_4}$ at a certain temperature is 30. What is the percentage dissociation of ${{\rm{N}}_2}{{\rm{O}}_4}$ at this temperature?