J & K CET Medical J & K - CET Medical Solved Paper-2008

  • question_answer
    Least stable conformer of cyclohexane is

    A)  chair                                    

    B)  boat

    C)  twist boat          

    D)  planar hexagon

    Correct Answer: D

    Solution :

                    Planar hexagon conformer has considerable angle strain due to the fact that its bonds are not\[109.5{}^\circ \]. It also has torsional strain. Due to presence of these strains planar hexagon conformer of cyclohexane is least stable.


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