First slide

Anomalous properties of Boron

Question

The similarities among the trichlorides, bromides and iodides of all group-l3 elements is/are

Easy

A

All of them are covalent in nature
B

All of them are hydrolysed in water
C

Both (a) and (b)
D

None of the above

Solution

The trichlorides, bromides and iodides of all the group-l3 elements being covalent in nature are hydrolysed in water.
Species like tetrahedral $[M (OH)_{4}]$ and octahedral ${[M {(H_{2} O)}_{6}]}^{3 +}$ , except in boron, exist.in aqueous medium.

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