Question

Rank these compounds by their expected boiling point? CH4 CH3Cl CH3OH? Lowest to highest; 10+ for the best explanation. Thank you. CH3Cl low 11.56 F boiling point CH3OH med 149 F boiling point CH4 257.8 F boiling point all these were wrong.

Answer 1

Explanation:

It is known that more is the number of carbon atoms attached linearly to each other more will be the boiling point of the compound. This is because then more surface area is occupied by the compound with more intermolecular forces.

Hence, high heat is required to break the bonds therefore, boiling point rises. Also, more is the electronegative atom attached to the hydrocarbon more is the partial charges on the atoms of a molecule. Therefore, higher will be its boiling point.

Hydrogen bonding is more stronger in nature as compared to a molecule with dipole-dipole interactions.

Therefore, given compounds are ranked by their expected boiling point as follows.

       $CH_{4}$ < $CH_{3}Cl$ < $CH_{3}OH$

Answer 2

Methane, CH4, would have the lowest boiling point among the three since it has the lowest number of carbon and has no functional groups. Methanol would have the highest boiling point since it has a functional group which contains hydrogen bonding which much stronger than the one in CH3Cl. Hope this helps.<span />