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An alkane, `C_(7)H_(16)` , is produced by the reaction of di -(3-pentyl) lithium cuprate with ethyl bromide. What is the structure of the alkane ?
A. `3`-ethylpentane
B. `2`-methylpentane
C. heptane
D. `3`-methylhexane

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Correct Answer - A
`(overset(1)CH_(3)overset(2)CH_(2)underset(CH_(2)overset(5)CH_(3))underset(4|)overset(3)(CH-))_(2) CuLioverset(CH_(3)CH_(2)Br)rarrCoverset(5)H_(3)overset(4)CH_(2)underset(3-"Ethylpentane")(underset(CH_(2)CH_(3))underset(|)overset(3)(CH)-overset(2)CH_(2)overset(1)CH_(3))`

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