Account for the following:
`BeSO_4` and `MgSO_4` are readily soluble in water.

Account for the following: CCl_4 and SiCl_4 are both tetrahedral.

Account for the following:- NO_2 dimerises to N_2O_4 .

Account for the following: Ferric hydroxide sol Is more readily coagulated by Na_3PO_4 In comparison to KCI.

Rare gases are sparingly soluble in water because of

Why is it that 'BeSO_4' and 'MgSO_4' are soluble but 'BaSO_4' is insoluble in water?

Alkyl halides are less soluble in water because

Account for the following observations: Hard water doesn't give ready lather with soap.