JEE Main 2022Chemistryp Block Elements (Group 13 & 14)MediumMCQ

JEE Main 2022p Block Elements (Group 13 & 14) Question with Solution

JEE Main 2022 (26 Jul Shift 1)

Question

Borazine, also known as inorganic benzene, can be prepared by the reaction of 3-equivalents of "X" with 6-equivalents of "Y". "X" and "Y", respectively are

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Show full solutionCorrect option: B
Correct answer
BB2H6 and NH3

Step-by-step explanation

Reaction of ammonia with diborane gives initially B2H6.2NH3 which is formulated as BH2NH32+ BH4- ; further heating gives borazine, B3N3H6 known as ''inorganic benzene'' in view of its ring structure with alternate BH and NH groups.

3B2H6+6NH33BH2NH32+BH4-Heat2B3N3H6+12H2

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About this question

This is a previous-year question from JEE Main 2022, covering the p Block Elements (Group 13 & 14) chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.