Question
How is red phosphorus prepared?
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$HC \equiv CH \stackrel{ LNH _2}{\longrightarrow} A \stackrel{ CH _3 CH _2 Cl }{\longrightarrow} B \stackrel{ HBr }{\longrightarrow} C$
| Column A | Column B | ||
| i. | Tyndall effect | i. | Kinetic property |
| ii. | Electrophoresis | ii. | Argyrol |
| iii. | Silver sol | iii. | Optical property |
| iv. | Brownian motion | iv. | Coagulation |