Lesson 4: CFCs Or Freons | HSC Chemistry | 2nd Paper | Chapter 2: Environmental Chemistry
Автор: BdS 71
Загружено: 2021-08-26
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Описание:
There have been discussed definition of freons, formulae of freons, properties of freons and uses of freons.
Trade Name from Formula
1. CF2Cl2
C = 1, H = 0 and F = 2
So, the number is 102.
Now, 102 - 90 = 12
So, the trade name is CFC-12 Or Freon-12.
2. F2ClC-CF2Cl
C = 2, H = 0, F = 4
So, the number is 204.
Now, 204 -90 = 114
So, the trade name is CFC-114 Or Freon-114.
Thus, trade names can be determined for molecular formulae.
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