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JIPMER Jipmer Medical Solved Paper-2002

  • question_answer
    Enthalpy of neutralization of \[N{{H}_{4}}OH\]and \[HCl\] is numerically:

    A)  57.1 kJ/mol    

    B)         < 57.1 kJ/mol

    C)                         > 57.1 kJ/mol  

    D)         zero

    Correct Answer: B

    Solution :

    Enthalpy of neutralisation of strong acid and strong base is always about 57.1 kJ/mol. Here, \[N{{H}_{4}}OH\] is a weak base, hence, some energy is consumed to increase its ionisation due to which the enthalpy of neutralisation becomes less than 57.1 kJ/mol.


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