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

  • question_answer
    Which of the following value of \[{{\Delta }_{f}}{{H}^{{}^\circ }}\] represent that the product is least stable?

    A) \[-94.0\text{ }kcal\text{ }mo{{l}^{-1}}\]

    B) \[-231.6\text{ }kcal\text{ }mo{{l}^{-1}}\]

    C) \[+21.4\text{ }kcal\text{ }mo{{l}^{-1}}\]

    D) \[+64.8\text{ }kcal\text{ }mo{{l}^{-1}}\]

    Correct Answer: D

    Solution :

    [d] As \[{{\Delta }_{f}}H\]increases stability decreases.


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