Given below are two statements:

Question:

Given below are two statements:

Statement I : Bohr's theory accounts for the stability and line spectrum of $\mathrm{Li}^{+}$ ion.

Statement II : Bohr's theory was unable to explain the splitting of spectral lines in the presence of a magnetic field.

In the light of the above statements, choose the most appropriate answer from the options given below :

  1. Both statement I and statement II are true.

  2. Statement $\mathrm{I}$ is false but statement $\mathrm{II}$ is true.

  3. Both statement I and statement II are false.

  4. Statement $\mathrm{I}$ is true but statement $\mathrm{II}$ is false.

Correct Option: , 2

Solution:

Statement-I is false since Bohr's theory accounts for the stability and spectrum of single electronic species (eg: $\mathrm{He}^{+}, \mathrm{Li}^{2+}$ etc)

Statement II is true.

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