JEE Main - Previous Year Papers JEE MAIN 2024 JEE MAINS 05 APRIL- 2024 PAPER SHIFT -1 Single Correct MCQ
Published on: August 14, 2026

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

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The correct answer is:
D

Statement I: Number of d & f electrons, increases down the group and due to poor shielding of , 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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