JEE Main 2023 · ChemistryMultiple choiceSingle correctEasyConceptual

JEE Main 11 April 2023, Shift 2, Chemistry Q66

Question 66 of 90 in this shift, Chemistry question 6 of 30, Section A.

Which hydride among the following is less stable?

(1) $\mathrm{LiH}$
(2) $\mathrm{BeH_2}$ Official answer
(3) $\mathrm{NH_3}$
(4) $\mathrm{HF}$

Official answer

Option 2

NTA final key.

Chapter: Hydrogen
Topic: Hydrogen and Hydrides
Idea tested: Polymeric s-Block Hydrides

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.