NEET Chemistry Hydrogen & Its Compounds / हाइड्रोजन और इसके यौगिक Question Bank Self Evaluation Test - Hydrogen

  • question_answer
    Pick out the correct statement

    A) By decreasing the temperature pure para- hydrogen can be obtained

    B) By increasing the temperature pure ortho- hydrogen can be obtained

    C) By decreasing the temperature pure ortho- hydrogen can be obtained

    D) By increasing the temperature pure para- hydrogen can be obtained

    Correct Answer: A

    Solution :

    [a] Pure para form can be obtained at low temperature (20K) but pure ortho form is very difficult to obtain.


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