Question

in what way will Al and Br will react

Answer 1

Hence, acidity increases. In this case, the size of the elements increases and electronegativity decreases on moving from top to bottom in a group. ... (B) Strength of oxy-acids: In case of oxo acid of type X - O - H, the acidity of the acid decreases with lower the position of X in the periodical table.

Answer 2

They will react(decompose) in the presence of sunlight energy.