Select the correct statements about limitation of Bohr’s model.
I. Bohr’s model could not explain the spectra of atoms containing more than one electron.
II. Splitting of spectral lines in magnetic field is (Zeemann effect) explained by Bohr’s model.
III. Splitting of spectral lines in electric filed (stark effect) could not explained by Bohr’s model.
IV. Geometry and shape of the molecules could not be explained by Bohr’s model.
Choose the correct option.