Which of the following pair of compound — melting point is correct?
I. Acetic acid — 290K
II. Ethanol — 156K

Correct option is B

The correct ans. is (b) Both I and II
 Acetic acid is an organic compound with the formula CH3COOH. It is a carboxylic acid consisting of a methyl group that is attached to a carboxyl functional group.
 It can be observed in the solid state of acetic acid that there is a chain of molecules wherein individual molecules are connected to each other via hydrogen bonds.
 Ethanol is a chemical compound that is produced through the fermentation of agricultural products such as sugarcane and corn. It is used as a high-octane fuel in vehicles and has lower flammability and evaporative emissions compared to gasoline.