Boiling points of methanol, water and dimethyl ether are respectively `65^@ C, 100^@ C and 34.5^@C.` Which of the following best explains the wide variations in boiling points?

Options

A. Density of water is 1g`ml^(-1)`, methanol is 0.79g`ml^(-1)` and dimethyl ether is 0.71g`ml^(-2)`
B. Molecular weight increases from water (18) to methanol (32) to dimethyl ether (46)
C. Extent of hydrogen bonding decreases from water to methanol, while it is absent in ether
D. The number of H atoms per molecule increases from water to methanol to ether.

Answer

C