Study the given flow chart carefully.

Which of the following statements is / are correct ?
Which of the following statements is/are correct?
I. P is propanol and it liberates hydrogen gas on reaction with sodium metal.
II. Q is a saturated hydrocarbon which decolourises `Br_(2)` -water.
III. P and S react together in presence of conc. `H_(2)SO_(4)` to give a sweet smelling compound.
IV. U when passed through lime water, turns it milky.

Options

A. I, III and IV only
B. I and IV only
C. II only
D. I, II, III and IV

Answer

A