Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Consider the following statements about group 13 elements
A. 
gets stability by forming a dinner
B. 
is an electron deficient molecule
C. 
is +1.26 for aluminium
D. In +1 oxidation state thallium is unstable
The incorrect statements are
Text Solution
Verified by ExpertsThe correct answer is:
A
gets stability by forming a dimer due to availability of 
orbital.
is an 
deficient molecule because the outermost orbit shows only 
after bonding with 
atom. Hence it get stabilise by back bonding.
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