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VMMC VMMC Medical Solved Paper-2014

  • question_answer
    Standard state Gibbs free energy change for isomerisation reaction, cis-2-pentene\[\]trans-2-pentene is -3.67 kJ/mol at 400 K. If more tran5-2-pentene is added to the reaction vessel, then

    A)  more cis-2-pentene is formed

    B)  additional frans-2-pentene is formed

    C) equilibrium remains unaffected  

    D) equilibrium is shifted in the forward direction

    Correct Answer: A

    Solution :

    \[\Delta {{G}^{o}}=-ve;\] If  we  add  frans-2-pentene, equilibrium is displaced in the direction of less trans-2-pentene (Le-chatelier principle).


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