Which of the following statement is correct for paper chromatography?

Which is not true for arginine?

Consider the following sequence of reactions:


The product ' $\mathrm{B}$ ' is

Given below are two statements:

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: