Differences between ammonia (NH3) and phosphine ( PH3)

S.N        NH3       PH3 1. It is lighter than air. It is heavier than air. 2. It is not poisonous. It is highly poisonous. 3. It forms H-bonding. It does not form H-bonding. 4. It is highly soluble in water. It is sparingly soluble in water. 5. Its aqueous solution is alkaline. Its aqueous … Read more

Comparison between white phosphorous and red phosphorous

S.N Properties White phosphorous Red phosphorous 1. Colour Light yellow Red 2. Smell Light garlic Smelless 3. Physiology Poisonous Non-poisonous 4. Conductivity Bad conductor Semiconductor 5. Density 1.81 g/cm3 2.1 g/cm3 6. Melting point 44ºc 500ºc 7. Ignition temperature 30ºc 240ºc 8. Phosphorescence Glows up in dark Does not glow in dark 9. Solubility in … Read more