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(A) The equilibrium between ortho and para hydrogen is temperature-dependent. $Ortho-hydrogen$ is more stable at higher temperatures,while $para-hydro

Vedclass · Accepted Answer

By decreasing the temperature,pure para-hydrogen can be obtained.

Vedclass · Answer

(A) The equilibrium between ortho and para hydrogen is temperature-dependent. $Ortho-hydrogen$ is more stable at higher temperatures,while $para-hydrogen$ is more stable at lower temperatures. At $0 \ K$,hydrogen exists almost entirely as $para-hydrogen$. Therefore,by decreasing the temperature,the equilibrium shifts towards the formation of $para-hydrogen$,allowing pure $para-hydrogen$ to be obtained.

Pick out the correct statement regarding the conversion of ortho and para hydrogen.

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