Question
Pick out the correct statement
A.
By decreasing the temperature pure parahydrogen can be obtained
B.
By increasing the temperature pure orthohydrogen can be obtained
C.
By decreasing the temperature pure orthohydrogen can be obtained
D.
By increasing the temperature pure parahydrogen can be obtained
Answer :
By decreasing the temperature pure parahydrogen can be obtained
Solution :
Pure para form can be obtained at low temperature $$(20K)$$ but pure ortho form is very difficult to obtain.