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CMC Medical CMC-Medical VELLORE Solved Paper-2009

  • question_answer
    Following reaction is catalysed by \[B{{r}^{-}}\](aq). \[2{{H}_{2}}{{O}_{2}}(aq)\xrightarrow{{}}2{{H}_{2}}O(l)+{{O}_{2}}(g)\] This is an example of

    A)  homogeneous catalysis

    B)  heterogeneous catalysis

    C)  autocatalysis

    D)  enzyme catalysis

    Correct Answer: A

    Solution :

                    When the reactants and the catalyst are in same phase, the catalysis is homogeneous. Reactant: \[{{H}_{2}}{{O}_{2}};\]Phase : (aq) Catalyst:  \[B{{r}^{-}};\]  Phase (aq) Hence, it is an example of homogeneous catalysis.


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