TS EAMCET Engineering 13 May 2023 Shift 2 Solved Paper

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