Select the correct increasing order of boiling points of alcohols, amines and carboxylic acids of comparable molar mass from the following.

Which of the following orbitals is represented by $\mathrm{n}=3$ and $l=2$ ?

Which of the following is not a property of hydrogen peroxide?

The molar conductivity of 0.01 M acetic acid at $25^{\circ} \mathrm{C}$ is $16.5 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$ and its molar conductivity at zero concentration is $390.7 \Omega^{-1} \mathrm{~cm}^2 \mathrm{~mol}^{-1}$. What is its degree of dissociation?