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VMMC VMMC Medical Solved Paper-2007

  • question_answer
    \[N{{H}_{4}}Cl(s)\xrightarrow{{}}N{{H}_{3}}(g)+HCl(g)\] When the above reaction occurs, the entropy

    A) remains same  

    B) decreases          

    C)        increases      

    D)        none of these

    Correct Answer: C

    Solution :

    Key Idea: The entropy is measurement of randomness. Gases have highest entropy because they have maximum randomness as compared to liquid and gaseous state. \[N{{H}_{4}}Cl(s)\xrightarrow{{}}N{{H}_{3}}(g)+HCl(g)\] \[\because \] The reactants are in solid state and products formed are in gaseous state. \[\therefore \] Entropy of system increases.


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