1.

Select the incorrect statement about the boronA. Pure form of the elements are obtained by the reduction of `BCl_(3)` with zine at `900^(@)C`B. Crystalline boron is attacked only by hot concentrated oxidising agentsC. Amorphous boron and ammonia at white heat gives `(BN)_(x)`, a slippery white solid with a layer structure resembling that of graphiteD. Boron does form `B^(3+)` cation easily

Answer» Correct Answer - B


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