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Friday, 9 October

JEE Main 2024 · ChemistryMultiple choiceTwo statementsEasyConceptual

JEE Main 30 January 2024, Shift 2, Chemistry Q66

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

Given below are two statements: Statement - I: Along the period, the chemical reactivity of the elements gradually increases from group 1 to group 18. Statement - II: The nature of oxides formed by group 1 elements is basic while that of group 17 is acidic. In the light of the above statements, choose the most appropriate from the options given below:
  1. (1)Both Statement I and Statement II are True
  2. (2)Both Statement I and Statement II are False
  3. (3)Statement I is True But Statement II is False
  4. (4)Statement I is False but statement I is trueOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Classification of Elements and Periodicity in Properties
Topic
Periodic Trends
Idea tested
Acidic and Basic Character of Oxides

Same idea in other shifts

Asked 5× in all
  1. 2 Apr 2026, Shift 2 · Q58The correct set that contains all kinds (basic, acidic, amphoteric and neutral) of oxides is:MediumSingle correct
  2. 5 Apr 2026, Shift 2 · Q58Given below are two statements : Statement I : The number of pairs among [Al2O3,Cr2O3]\mathrm{[Al_2O_3, Cr_2O_3]}, [Cl2O7,Mn2O7]\mathrm{[Cl_2O_7, Mn_2O_7]},…MediumTwo statements
  3. 31 Jan 2024, Shift 1 · Q67Consider the oxides of group 14 elements SiO2\mathrm{SiO_2}, GeO2\mathrm{GeO_2}, SnO2\mathrm{SnO_2}, PbO2\mathrm{PbO_2}, CO and GeO. The…MediumSingle correct
  4. 24 Jun 2022, Shift 1 · Q66Given below are the oxides : Na2O, As2O3, N2O, NO\mathrm{Na_2O,\ As_2O_3,\ N_2O,\ NO} and Cl2O7\mathrm{Cl_2O_7} Number of amphoteric oxides is :MediumSingle correct

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.