Question

A hydrocarbon C4H8 does not react with chlorine in dark but gives a monochloro compound in the presence of sunlight .Identify the hydrocarbon and write the reaction involved.​

Answer 1

Answer:

The molecular formula of hydrocarbon is C5H10. It satisfies the general formula CnH2n . It suggests that the hydrocarbon is either alkene or cyclloalkane. It does not react with chlorine in dark. Hence, it cannot be alkene. Hence, it is cycloalkane. It gives a single monochloro compound C5H9Cl in bright sunlight. Hence, the hydrocarbon.is cyclopentane.

Explanation:

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Answer 2

Answer

The molecular formula of hydrocarbon is C  

5

​

H  

10

​

. It satisfies the general formula C  

n

​

H  

2n

​

 . It suggests that the hydrocarbon is either alkene or cyclloalkane. It does not react with chlorine in dark. Hence, it cannot be alkene. Hence, it is cycloalkane. It gives a single monochloro compound C  

5

​

H  

9

​

Cl in bright sunlight. Hence, the hydrocarbon.is cyclopentane.