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Q.

Consider the following statements about group 13 elements
A. AlCl3 gets stability by forming a dimer
B. BCl3 is an electron deficient molecule
C. EM3+∣M0(V) is +1.26 for aluminium
D. In +1 oxidation state thallium is unstable
The incorrect statements are

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a

A & D only

b

A & B only

c

B & C only

d

C & D only

answer is A.

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