Given below are two statements:
Statement I: In group 13, the stability +1 oxidation state increases

Question

Given below are two statements:
Statement I: In group 13, the stability +1 oxidation state increases down the group.\ Statement II : The atomic size of gallium is greater than that of aluminium.\ In the light of the above statements, choose the most appropriate answer from the options given below.\

Professor PC Thomas Classes · Answer

(d) : Stability of +1 oxidation state increases down the group 13 because of inert pair effect. Thus statement I is correct. The atomic size of aluminium is greater than that of gallium. Thus, statement II is incorrect.