Published by:
CGP EDU Academic Team
Published on: August 12, 2026
The correct statements from the following are :
A
The decreasing order of atomic radii of group 13 elements is 
.
, and ,
. , and ,
B
Down the group 13 electronegativity decreases from top to bottom.
,
,
C
dissolves in dil. 
and liberates 
but conc. 
renders 
passive by forming a protective oxide layer on the surface. and (E) only only
and (E) only and (E) only
D
All elements of group 13 exhibits highly stable +1 oxidation state.
(E) Hybridisation of
in 
ion is 
. Choose the correct answer from the options given below :
(E) Hybridisation of
in ion is . Choose the correct answer from the options given below : Text Solution
Verified by ExpertsThe correct answer is:
C
A. size order 
B. Electronegativity order 
D. 
are more stable in +3 oxidation state
So, only C, E statements are correct.
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