EDUCATION (CBSE/UGC NET)

EDUCATION UGC NET

ENVIRONMENTAL STUDIES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Freon’s are called
A
Ozone
B
Methane
C
Solvents
D
Hydrocarbons
Explanation: 

Detailed explanation-1: -Fluorocarbons are halogenated hydrocarbons. The best known is Freon, the commercial name given to the group most commonly used in industry some years ago. Fluorocarbons that contain chlorine are called chlorofluorocarbons (CFCs).

Detailed explanation-2: -Freon is originally a trademark for a compound with the general formula CFₓCl₄₋ₓ or C₂FₓCl₆₋ₓ. Nowadays, freons are more widely described as substituted hydrocarbons, where a number of, or all, hydrogen atoms are exchanged for fluorine, chlorine or (more rarely) bromine.

Detailed explanation-3: -2.5 Chlorofluorocarbons. The halogenated paraffin hydrocarbon combination of carbon, chlorine, and fluorine is known as Chlorofluorocarbons (CFC). These are produced as volatile derivatives of methane, ethane, and propane, and are also known as Freon.

Detailed explanation-4: -Thus, Freons are types of chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs), and related compounds. The name Freon is a trademark registered by E.I. du Pont de Nemours & Company.

Detailed explanation-5: -Freon: The trade name for molecules composed only of carbon, hydrogen, fluorine, chlorine, and bromine. The numbering system denotes the number of carbon atoms, as well as the type and location of the halogen atoms.

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