Published by:
CGP EDU Academic Team
Published on: August 13, 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
Both Statement I and Statement II are correct
B
Statement 
is incorrect but Statement 
is correct
is incorrect but Statement is correct C
Both Statement I and Statement II are incorrect
D
Statement 
is correct but Statement 
is incorrect
is correct but Statement is incorrect
Text Solution
Verified by ExpertsThe correct answer is:
D
Statement I : Number of 
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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