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  4. <img class=img-fluid question-image alt=image src=https://cdn.tardigrade.in/img/question/chemistry/75a9fc169362e258b5a992d6cd45d824-.png /> Hydrogenation of the above compound in the presence of poisoned palladium catalyst gives

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Hydrogenation of the above compound in the presence of poisoned palladium catalyst gives

Hydrocarbons

Solution:

Addition on a triple bond occurs by syn-addition of hydrogen. The configuration of double bond already present is cis. The compound formed will have a plane of symmetry and thus it will be optically inactive.

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