JEE Main & Advanced Chemistry Thermodynamics / रासायनिक उष्मागतिकी Question Bank Mock Test - Chemical Thermodynamics

  • question_answer
    An ideal gas is allowed to expand both reversibly and irreversibly in an isolated system. If \[{{T}_{i}}\] is the initial temperature and\[{{T}_{f}}\]is the final temperature, which of following statements is correct?

    A)  \[{{T}_{f}}\] and \[{{T}_{i}}\] or both reversible and irreversible processes

    B)  \[{{({{T}_{f}})}_{irrev}}>{{({{T}_{i}})}_{rev}}\]

    C)  \[{{T}_{f}}\] > \[{{T}_{i}}\] for irreversible process but \[{{T}_{f}}\] and \[{{T}_{i}}\] for irreversible process

    D)  \[{{({{T}_{f}})}_{rev}}>{{({{T}_{i}})}_{irrev}}\]

    Correct Answer: B

    Solution :

    [b] Work done in reversible process is maximum. Thus \[{{T}_{2}}<<{{T}_{1}}\]in reversible process or \[{{T}_{i}}<<{{T}_{f}}\]


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