Given below are two statements: Statement I: In group 13, the sta… - Vidyadip

MCQ

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
✓
Statement I is correct but Statement II is incorrect

✓

Answer

Correct option: D.

Statement I is correct but Statement II is incorrect

(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 increasesdown the group
Statement II: The atomic size of aluminium is greater than that of gallium.

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