Question : Which of the following pair of compound – general formula is correct?
I. Alkenes – CnH2n
II. Alkanes – CnH2n-1
Option 1: Only II
Option 2: Only I
Option 3: Neither I nor II
Option 4: Both I and II
Correct Answer: Only I
Solution : The correct answer is Only I
Alkenes are hydrocarbons with at least one carbon-carbon double bond, whether they are branched or unbranched. There is at least one carbon-to-carbon double bond in every alkene. CnH2n is the general formula for alkenes. A family of compounds known as cycloalkanes is made up of carbon atoms joined in a circle. CnH2n+2 is the general formula for cycloalkanes.
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