The correct answer option is A) benzene.
Explanation:
Benzene is an organic chemical compound (hydrocarbon), consisting of 6 carbon atoms and 6 hydrogen atoms.
Out of all the given options, Benzene will solidify the earliest before reaching a temperature of 0 degree Celcius, when cooled.
The reason being that it has a freezing temperature of 5.5 degree Celcius while all other substances have their freezing points which are below 0 degree Celcius.
