Because +2 state oecommes tmue the oxidation state of gallium in gacl, is (b) q. (a) +ill (c) +i and +l|l (d) none

c

this question can be solved by using inert pair effect. B family show both +1 and +3 oxidation state. due to inert pair effect +3 oxidation state down the group decrease while +1 o...