Select the incorrect statement about the boron.

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) General Single Correct MCQ

Published on: August 12, 2026

Pure form of the elements are obtained by the reduction of BCl 3 with zinc at 900ºC.

Crystalline boron is attacked only by hot concentrated oxidising agents.

Amorphous boron and ammonia at white heat gives (BN) x , a slippery white solid with a layer structure resembling that of graphite.

Boron does form B 3+ cation easily.

Text Solution

Verified by Experts

The correct answer is:

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

Previous Question Next Question

Get practice questions, solutions, and test series in one place.

Share your experience with this question and solution.

Send your comment, doubt, correction, or feedback to admin.

What students say about this solution

No reviews yet. Be the first to write a review.