JEE Main & Advanced Sample Paper JEE Main - Mock Test - 36

  • question_answer
    Three compounds , , and  are given. Select the INCORRECT statement.

    A) The rate of catalytic hydrogenation is faster in than in  and

    B) The rate of catalytic hydrogenation is faster in  than in .

    C) has a cyclopropene ring whose strain on going to less strained cyclopropane ring is reduced on hydrogenation. Similarly, cyclobutene ring in  on hydrogenation is reduced to less-strained cyclobutane ring. But cyclopropene ring is more strained than cyclobutene ring, so faster hydrogenation is in  than in .

    D) There is a little change in the ring strain when the cyclohexene ring is reduced.

    Correct Answer: A

    Solution :

    [a] CORRECT statement (I): Faster in[a] than [b] and [c]:


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