Account for the following:
Conductivity of silicon increases on doping it with phosphorus.

Account for the following: (i) schottky defects lower the density of related solids. (ii) Conductivity off silicon increases on doping it with phosphorus.

Account for the following p-toluidine is more basic than aniline.

Explain, why does conductivity of germanium crystals increases on doping with galium?

Account for the following . Noble gases have very low boiling points .

Account for the following: Hydrophobic colloids are easily coagulated.

Account for the following Ethylamine is soluble in water whereas aniline is not