JEE Main & Advanced Chemistry Hydrocarbons / हाइड्रोकार्बन Question Bank Alkyne

  • question_answer
    Triple bond of ethyne is made of or Cylindrical shape of an alkyne is due to [EAMCET 1978; NCERT 1979; CBSE PMT 1997; Manipal MEE 1995; Bihar MEE 1996]

    A) Three \[\sigma -\text{bonds}\]

    B) Three \[\pi -\text{bonds}\]

    C) Two \[\sigma \] and one \[\pi -\text{bond}\]

    D) Two \[\pi \] and one \[\sigma -\text{bond}\]

    Correct Answer: D

    Solution :

    In \[CH\equiv CH\] triple bond consists of one \[\sigma \]and two \[\pi \] bonds.


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