Chemistry - Complete s-block Question with Solution | TestHub

Ordinary hydrogen can exist in two allotropic form depending on whether their electron spin is parallel or antiparallel. They contain$75\mathrm{\% }\mathrm{}\mathrm{o}-\mathrm{H}\mathrm{y}\mathrm{d}\mathrm{r}\mathrm{o}\mathrm{g}\mathrm{e}\mathrm{n}$and$25\mathrm{\% }\mathrm{}\mathrm{p}-$hydrogen.