Answer:
They have in common that they have aliphatic nitro compounds.
Explanation:
Nitroglycerin, 2-nitropropane, tetranitromethane, and nitromethane are used as rocket boosters. 1-Nitropropane and 2-nitropropane are solvents and additives to gasoline, and tetranitromethane is a propellant for diesel.
Chloropicrin is used as a rodenticide and as a chemical weapon.
