What happens during a redox reaction? Cations interchange their positions in two compounds.
Anions interchange their positions in two compounds.
Some atoms gain electrons and some lose electrons.
All atoms gain a fixed number of electrons.

i think it's c. i'm not sure but i think so.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.

a is the correct answer

0.88m hope i am correct : )