Chemistry · Carbon and its Compounds
Which of the following statements about hydrocarbons is INCORRECT?
- 1The simplest alkene is ethene having the molecular formula C2H4.
- 2An unsaturated hydrocarbon in which two carbon atoms are connected by a double bond is called an alkene.
- 3Unsaturated hydrocarbons are obtained mostly from petroleum by a chemical process called fractional distillation without cracking.✓
- 4The general formula of alkynes is CnH2n-2 where n is the number of carbon atoms.
Correct answer
Unsaturated hydrocarbons are obtained mostly from petroleum by a chemical process called fractional distillation without cracking.
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