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NCERT Class XII Chemistry
Chapter - Haloalkanes and Haloarenes
Questions with Solutions

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Question : 5
Total: 31
A hydrocarbon C5H10 does not react with chlorine in dark but gives a single monochloro compound C5H9Cl in bright sunlight. Identify the hydrocarbon.
Solution:  
A number of structural isomers are possible for molecular formula C5H10. But, the given compound gives a single monochloro derivative when reacted with Cl2 in sunlight suggests that, all the H-atoms in the compound are equivalent. This is possible only if the compound is a cyclic alkane.
Therefore, the compound is
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