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JEE Main & Advanced JEE Main Paper (Held on 09-4-2019 Morning)

  • question_answer
    \[{{C}_{60}},\]an allotrope of carbon contains : [JEE Main 9-4-2019 Morning]

    A) 20 hexagons and 12 pentagons.

    B) 12 hexagons and 20 pentagons.

    C) 18 hexagons and 14 pentagons.

    D) 16 hexagons and 16 pentagons.

    Correct Answer: A

    Solution :

    In \[{{C}_{60}},\] molecule there are 20 hexagons and 12 pentagons \[\therefore \] Ans. [a]


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