Question

Which of the following is not a refrigerant?

• A. $CHCl{F}_2$
• B. $N{H}_3$
• C. $Ether$
• D. $C_2{H}_4$

Answer 1

The correct option is D $C_2{H}_4$

Ethene is a colorless flammable gas with a faint "sweet and musky" odor when pure.
Ethylene is widely used in chemical industry. Ethylene is also an important natural plant hormone, used in agriculture to force the ripening of fruits. it is a non refrigerant.