Nitrogen detection in an organic compound is carried out by Lassaigne's test. The blue colour formed corresponds to which of the following formulae?

Markovnikov's rule is applicable to:

Which of the following is a reducing sugar?

Match List I with List II: $\begin{array}{|l|l|l|l|}\hline & \text{List - I} & & \text{List - II} \\\hline \text{A}. & \text{Adenosine} & \text{(i)} & \text{Nitrogen base} \\\hline \text{B.} & \text{Adenylic acid} & \text{(ii)} & \text{Nucleotide} \\\hline \text{C.} & \text{Adenine} & \text{(iii)} & \text{Nucleoside} \\\hline \text{D.} & \text{Alanine} & \text{(iv)} & \text{Amino acid} \\\hline\end{array}$ Choose the option with all correct matches.

Predict the major product ' P ' in the following sequence of reactions- 

Match List-I with List-II $\begin{array}{|l|l|l|l|}\hline & \text{List-I (Mixture)} & & \text{List-II (Method of Separation)} \\\hline A. & \mathrm{CHCl}_3+\mathrm{C}_6 \mathrm{H}_5 \mathrm{NH}_2 & I. & \text{Distillation under reduced pressure} \\\hline B. & \text{Crude oil in petroleum industry} & II. & \text{Steam distillation} \\\hline C. & \text{Glycerol from spent-lye} & III. & \text{Fractional distillation} \\\hline D. & \text{Aniline-water} & IV. & \text{Simple distillation} \\\hline\end{array}$ Choose the correct answer from the options given below :-