The chlorinated alkane often used industrially to remove grease is

The chlorinated alkane often used industrially to remove grease is

A. tetrachloromethane

B. chloromethane

C. trichloromethane

D. dichloromethane

The correct answer is:

A. tetrachloromethane

Explanation:
Tetrachloromethane (CCl₄) is a chlorinated alkane widely used in industry as a solvent for grease, oils, and fats because it effectively dissolves these substances without reacting chemically.

  • Chloromethane (CH₃Cl) – used mainly as a refrigerant and in organic synthesis.

  • Trichloromethane (CHCl₃, chloroform) – mainly used as a solvent and formerly as an anesthetic.

  • Dichloromethane (CH₂Cl₂, methylene chloride) – also a solvent, but tetrachloromethane is more common for industrial degreasing.

PQN: 3

 

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