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Q.
The similarities among the trichlorides, tribromides and triiodides of all group-$13$ elements is/are that they are
The p-Block Elements
Solution:
The trichlorides, tribromides and triiodides of all the group-$13$ elements are covalent in nature and they are hydrolysed in water.
Species like tetrahedral $\left[M( OH )_{4}\right]^{-}$and octahedral $\left[M\left( H _{2} O \right)_{6}\right]^{3+}$, except in boron, exist in aqueous medium.