Question: An optically active monoterpene (compound A) with molecular formula undergoes catalytic hydrogenation to form an optically inactive compound with molecular formula C10H20O (compound B). When

An optically active monoterpene (compound A) with molecular formula undergoes catalytic hydrogenation to form an optically inactive compound with molecular formula C10H20O (compound B). When compound B is heated with acid, followed by reaction with O3.and workup under reducing conditions (Zn,H2O),one of the products obtained is 4-methylcyclohexanone. Give possible structures for compound A.

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