TG EAMCET 2 May 2025 Shift 1 Paper

The correct increasing order of boiling points is
‌

CH3CH2CH3

(III)

<

CH3−O

‌ (I) ‌

−‌

CH3

‌ (II) ‌

<‌

CH3CHO

‌ (IV) ‌

<‌

CH3OH

CH3

It is because of strength of intermolecular forces present in each molecule, with hydrogen bonding in alcohols being the strongest and van der Waals' forces in alkanes being the weakest.