WBJEE 2019 Chemistry Solved Paper

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Question : 7 of 40

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The conformations of n-butane, commonly known as eclipsed, gauche and anti-conformations can be interconverted by

rotation around C-H bond of a methyl group
rotation around C-H bond of a methylene group
rotation around C1-C2 linkage
rotation around C2-C3 linkage

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