Name the group `13` element which forms most stable compounds in `+1` oxidation state.

Answer the following : (a) Name of element of group 13 which forms the most stable compound in +1 oxidation state. (b) Name the element of group 13 which has the highest first ionisation enthalpy. ( c) Name the element of group 13 which is used as a reducing agent in metallurgical processes. (d) Name of element of group 13 which can show convalency maximum of four only. Name the compound of aluminium which is used as a germicide and coagulant of the purification of water. (f) Name the first two elements of group 13 .

Which oxide is most stable?

Which element of group 13 forms the most stable +1 oxidation state.

Name the element of group 13 which forms only covalent compounds.

Name the element of group 13 which only forms covalent compounds.

The transition element that has stable condifuration in +1 oxidation state is

Which has the most stable +2 oxidation state ?

Which of the following group 2 elements form covalent compounds in anhydrous state ?