MCQ
Among the following structures, select $E$ isomers (arrows indicate the bonds to be considered) ?


- A$1$ and $2$
- B$1$ and $3$
- ✓$1$ and $4$
- D$2$ and $3$


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Statement $I:$ According to Bohr's model of hydrogen atom, the angular momentum of an electron in a given stationary state is quantised.
Statement $II:$ The concept of electron in Bohr's orbit, violates the Heisenberg uncertainty principle.
In the light of the above statements, choose the most appropriate answer from the options given below:
