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

  • question_answer
    For which of the following process, \[\Delta S\] is negative?

    A) \[{{H}_{2}}\left( g \right)\xrightarrow{{}}2H\left( g \right)\]

    B) \[2S{{O}_{3}}\left( g \right)\xrightarrow{{}}2S{{O}_{2}}\left( g \right)+{{O}_{2}}\left( g \right)\]

    C) \[{{N}_{2}}(4l)\xrightarrow{compressed}{{N}_{2}}(2l)\]

    D) \[C\left( diamond \right)\xrightarrow{{}}C\left( graphite \right)\]

    Correct Answer: C

    Solution :

    [c] When gas is compressed, its entropy decreases so, \[\Delta S\] is negative.


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