JEE Main & Advanced Chemistry GOC Question Bank Bonding and hybridisation inorganic compounds

  • question_answer The enolic form of acetone contains [Pb. PMT 2002]

    A) 8\[\sigma \]bonds, \[2\pi \]-bonds and 1 lone pairs

    B) \[9\sigma \]-bonds, \[1\pi \]-bond and 2 lone pairs

    C) \[9\sigma \]-bonds, \[2\pi \]-bonds and 1 lone pairs

    D) 10\[\sigma \]-bonds, 1\[\pi \]-bonds and 1 lone pairs

    Correct Answer: B

    Solution :

    \[\underset{9\sigma \,1\pi \,\And \,2\,\text{L}\text{.p}}{\mathop{C{{H}_{3}}-\overset{:\,\overset{.\,\,\,.\,\,\,\,\,}{\mathop{OH}}\,}{\mathop{\overset{|\,\,\,\,\,\,}{\mathop{C=}}\,}}\,C{{H}_{2}}}}\,\]

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