MCQ
The above reaction is:


- AElectrophilic substitution.
- BElectrophilic addition.
- CNucleophilic addition.
- DNucleophilic substitution.

Explanation:
It is an example of nucleophilic addition reaction.

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| Column I | Column II |
| (a) $\frac{\Delta P }{ P ^{\circ}{ }_A}$ | (i) $\frac{\Delta T _{ b }}{ m }$ |
| (b) Kb | (ii) mol fraction of solute |
| (c) i | (iii) $\frac{\Delta T _{ f }}{ m }$ |
| (d) Kf | (iv) Ratio of observed molar mass to actual molar mass |