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Pick out the correct statement...

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.

Text Solution

Verified by Experts

The correct Answer is:
A

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