Select the correct order of evaporation for water, alcohol, petrol and kerosene oil:- A. Petrol > alcohol > water > kerosene oil B. Alcohol > petrol > water > kerosene oil C. Water > alcohol > kerosene oil > petrol D. Petrol > alcohol > kerosene oil > water

The correct option is;

D. Petrol  > Alcohol > Kerosene oil > Water

Explanation:

The volatility of a liquid is a measure of how readily it evaporates or vaporizes such that a volatile liquid will evaporate and be present as a vapor at a given temperature or pressure than a less volatile liquid

The volatility of a liquid is directly related to the liquid's vapor pressure such that the higher the vapor the more volatile the liquid

The Reid vapor pressures of the given liquids are as follows;

Alcohol (Ethanol)= 17-55 kPa

Petrol = 53-60 kPa

Kerosene Oil= 6.8 kPa

The vapor pressure for water at 37.8°C = 6.6 kPa

Therefore, the correct order evaporation is as follows, starting from the highest vapor pressure to the lowest;

Petrol  > Alcohol >  Kerosene Oil > Water.