RAJASTHAN ­ PET Rajasthan PET Solved Paper-2007

  • question_answer
    Which of the following is irreversible reaction?

    A)  \[2N{{H}_{3}}\xrightarrow[{}]{{}}{{N}_{2}}+3{{H}_{2}}\]

    B)  \[PC{{l}_{5}}\xrightarrow[{}]{{}}PC{{l}_{3}}+C{{l}_{2}}\]

    C)  \[KCl{{O}_{3}}\xrightarrow[{}]{{}}KCl+{{O}_{2}}\]

    D)  \[2S{{O}_{3}}\xrightarrow[{}]{{}}2S{{O}_{2}}+{{O}_{2}}\]

    Correct Answer: C

    Solution :

     Those reaction in which all the reactants converts into product and product does not change into reactant again are called irreversible reaction. Example Thermal decomposition of potassium chlorate \[2KCl{{O}_{3}}\xrightarrow[{}]{\Delta }2KCl+3{{O}_{2}}\]


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