Question

Justify the following statements: (a) As one moves down a group, the reducing property of elements increases. (b) Aluminium oxide cannot be reduced by carbon monoxide.

Arrange the following as per the instructions given in the brackets: (a) Mg, S, Si, P [decreasing order of atomic size] (b) Cl, I, Br, F [increasing electronegativity] (c) K, Na, Rb, Li [decreasing metallic character]