Home Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Compounds of Boron and Aluminium Boron is unable to form ions due to.
Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Compounds of Boron and Aluminium Single Correct MCQ
Published on: August 12, 2026

Boron is unable to form ions due to.

A
Non –availability of d - orbitals
B
Small size of boron atom
C
Non – metallic nature
D
Less reactivity towards halogens.

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The correct answer is:
A

Due to non – availability of d – orbitals, boron is unable to expand its octet. Therefore, the maximum covalence of boron canont exceed 4.

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