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JEE Main 2026 Chemistry question

ChemistryHaloalkanes and HaloarenesJEE Main 2026

Consider the isomers of hydrocarbon with molecular formula C₅H₁₀. These isomers do not decolourise KMnO₄ solution. These isomers are subjected to chlorination with chlorine in presence of light to give monochloro compounds. The total number of monochloro compounds (structural isomers only) formed is .

Answer: 14

Solution

The isomers not decolourising KMnO₄ are the cycloalkanes: cyclopentane (1 product), methylcyclobutane (4),

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Question ID VK-015256