Account for the following:- `La(OH)_3`Is more basic than `Lu(OH)_3`.

Account for the following: H_3PO_3 is dibasic.

Account for the following:- Phosphine is a weaker base than NH_3 .

Which of the following is more basic than aniline?

Account for the following: BF_3 is planar but NH_3 is not.

How would you account for the following:Aldehydes are more reactive than ketones towards nucleophilic addition reaction.

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

Explain why (a) '(Ce4+' is a good oxidistng agent whereas '(Sm2+ is a good reducing agent b) '(La)(OH)_(3)' is stronger base than '(Lu)(OH)_(3)'

Account for the following trends in atomic and ionic radii of transition metals. The atomic radii of elements in 4d series are more than that of corresponding elements in 3d series.

Which of the following statements regarding basicity of lanthanide 3^+ ions is correct? 1)Basicity decreases with increase in ionic radius 2)Basicity decreases with decrease in ionic radius 3)More basic oxo-salt decomposes more readily that the less basic 'oxo-salt 4)More basic ion hydrolyse more readily