Dihydrogen has :

Options

A. two isotopes and no isomers.
B. three isotopes and two nuclear isomers.
C. three isotopes and two optical isomers.
D. two isotopes and two geometrical isomers

Answer

B

Explanation

Isotopes of Dihydrogen : `H_(2), D_(2), T_(2)`
Nuclear Isomers: Ortho and para hydrogen.