Compare the alkali metals and alkaline earth metals with respect to basicity of oxides

3

(a)

Present a comparative account of the alkali and akaline earth metals with respect to the following characteristics.
Nature of oxides and their solubility in water

3

(a)

Present a comparative account of the alkali and akaline earth metals with respect to the following characteristics.
solubility of oxosalt

3

(a)

Explain the Aluminium utensils should not be kept in water overnight.

3

(a)

Explain the Aluminium wire is used to make transmission cables.

3

(a)

The stability of peroxide and superoxide of alkali metals increase as we go down to group. Explain by giving reason.

3

(a)

State as to why alkali metals are prepared by electrolysis of their fused chlorides ?

3

(a)

State as to why sodium is found to be more useful than potassium?

3

(a)

Explain Lattice enthalpy of LiF is maximum among all the alkali metal halides

3

(a)

Explain Lithium cannot be used in making photoelectric cells

3

(a)

Explain Lithium does not form alums

3

(a)

What makes lithium to show properties uncommon to the rest of the alkali metals?

3

(a)

Why are ionic hydrides of only alkali metals and alkaline earth metals are known? Give two examples

3

(a)

Give the important uses of NaHCO₃

3

(a)