Question

Silver iodide is used for producing artificial rains because $AgI$:

• A. is easy to spray at high altitude
• B. is insoluble in water
• C. is easy to synthesize
• D. has crystals similar to ice

Answer 1

The correct option is D has crystals similar to ice

Solid silver iodide is preferred as a nucleator for artificially stimulated rain because its crystal lattice parameters are close to those of ice, and for that reason are more effective than other salts in causing small ice crystals in clouds to melt.