JEE Main 2023 — s Block Elements Question with Solution
JEE Main 2023 (24 Jan Shift 1)
Question
Reaction of with ammonia and hydrogen fluoride gives which on thermal decomposition gives and . What is ?
Choose an option
Show full solutionCorrect option: B
Correct answer
B
Step-by-step explanation
Beryllium ion forms tetra coordinated complexes readily due to the presence of empty subshells as shown below.
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This is a previous-year question from JEE Main 2023, covering the s Block Elements 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.