Among species `H, Li^(2+), He^(+), Be^(3+) and AI^(3+)` Bohr's model was able to explain the spectra of

Options

A. all of these
B. none of these
C. all other species except `Be^(3+)`
D. all other species except `AI^(3+)`

Answer

D

Explanation

Except `Al^(3+)` all contain one electron and Bohr's model could explain the spectra for one electron system, Bohr's model was not able to explain the spectra of multielectron system.