Which of the following statements are correct about the addition of `HBr` to buta-1,3-diene ?

Options

A. 1,2-Addition product , 3-bromobut-1-ene) is the major product at lower temperature `(-80^@C)` and is a kinetic control or rate-controlled product.
B. 1,4-Addition product , 1-bromobut-2-ene) is the major product at high temperature `(40^@ C)` and is a thermodynamic or equilibrium-controlled product.
C. In a non-polar solvent (e.g., hexane), 1,2-addition product is predominantly favoured.
D. In a polar solvent (e.g., acetic acid) 1,4-addition product is predominatly favoured.

Answer

A, B, C, D