Select the incorrect statement about the boron.

Question

Select the incorrect statement about the boron.

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

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
Due to small size of boron the sum of its first three ionization enthalpies is very high.This prevents it to form `+3` ions.

4 views Answered 2023-02-05 15:29