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NEET Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank Self Evaluation Test - Thermodynamics

  • question_answer
    The amount of energy released when \[20mL\] of \[0.5M\text{ }NaOH\] are mixed with \[100\text{ }mL\] of 0.1 M \[HCl\] is \[x\text{ }kJ.\] The heat of neutralisation (in kJ\[mo{{l}^{-1}}\]) is

    A) \[-100x\]          

    B) \[-50x\]

    C) \[+100x\]                     

    D) \[+50x\]

    Correct Answer: A

    Solution :

    [a] In question 0.01 gev of \[NaOH\] is being neutralised by 0.01 gev of \[HCl\] and value is x kJ, for 1 gev the value is \[-100x\] (exothermic process).


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