Question

The ortho and para-hydrogens possesses:

• A. same physical properties but different chemical properties.
• B. different physical properties but same chemical properties.
• C. same chemical and physical properties.
• D. different physical and chemical properties.

Answer 1

Answer: (B)

different physical properties but same chemical properties.

The ortho and para-hydrogen possess different physical properties such as boiling points, specific heats and thermal conductivities but same chemical properties because of the different position in the structure and electron distribution.