Four samples P, Q, R and S were analysed using paper chromatography to check the presence of three different additives X, Y and Z. The final chromatograms are shown as

Read the following statements carefully.
I. P contains three components out of which one is X II. S contains only one component which is X. III. Q contains two components which are X and Z. IV. R contains two components out of which one is Y. The correct statements are

Options

A. II and IV
B. I and III
C. I, II and IV
D. all of these

Answer

C

Explanation

I, II and IV are the correct statements while III is incorrect. Sample Q contains two components and none of them is X, Y and Z.