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JEE Main & Advanced JEE Main Online Paper (Held On 08 April 2018)

  • question_answer
    Which of the following compounds contain(s) no/covalent bond(s)? [JEE Main Online 08-04-2018] \[\text{KCl, P}{{\text{H}}_{\text{3}}}\text{,}{{\text{O}}_{\text{2}}}\text{,}{{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}\text{,}{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\]

    A)  KCl                            

    B)  \[\text{KCl, }{{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}\]

    C)  \[\text{KCl, }{{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}\text{,}\,\,\text{P}{{\text{H}}_{\text{3}}}\]           

    D)  \[\text{KCl, }{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\]

    Correct Answer: A

    Solution :

    KCl is an ionic compound while \[\text{P}{{\text{H}}_{\text{3}}}\text{,}{{\text{O}}_{\text{2}}}\text{,}{{\text{B}}_{\text{2}}}{{\text{H}}_{\text{6}}}\text{,}{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\] contains covalent bonds in them.


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