Given below are two statements : Statement I: In group 13, the stability of +1 oxidation state increases down the group. Statement II: The atomic size of gallium is greater than that of aluminium. In

Question

Given below are two statements : Statement I: In group 13, the stability of +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:

(A) Statement I is incorrect but Statement II is correct
(B) Both Statement I and Statement II are correct
(C) Both Statement I and Statement II are incorrect
(D) Statement I is correct but Statement II is incorrect

Prashant Kotian · Accepted Answer

Correct answer: D. Statement I : Number of d & f electrons, increases down the group and due to poor shielding of d & f e–, stability of lower oxidation states increases down the group Statement II : The atomic size of aluminium is greater than that of gallium.

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