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Friday, 9 October

JEE Main 2024 · ChemistryMultiple choiceAssertion–reasonMediumConceptual

JEE Main 30 January 2024, Shift 2, Chemistry Q68

Question 68 of 90 in this shift, Chemistry question 8 of 30, Section A.

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: H2Te\mathrm{H_2Te} is more acidic than H2S\mathrm{H_2S}. Reason R: Bond dissociation enthalpy of H2Te\mathrm{H_2Te} is lower than H2S\mathrm{H_2S}. In the light of the above statements, choose the most appropriate from the options given below:
  1. (1)Both A and R are true and R is the correct explanation of A.Official answer
  2. (2)Both A and R are true but R is NOT the correct explanation of A.
  3. (3)A is true but R is false.
  4. (4)A is false but R is true.

Official answer

Option 1

NTA final key.

Chapter
The p-Block Elements
Topic
Periodic Trends
Idea tested
Acidic Strength Trends of p-Block Hydrides

Same idea in other shifts

Asked 2× in all
  1. 8 Apr 2025, Shift 2 · Q57Given below are two statements: Statement I : H2Se\mathrm{H_2Se} is more acidic than H2Te\mathrm{H_2Te} Statement II : H2Se\mathrm{H_2Se} has…EasyTwo statements

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 42 of the 174 JEE Main shifts held from 2017 to 2026.