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Saturday, 31 October

Same idea in other shifts

Asked 8× in all
  1. 3 Apr 2025, Shift 2 · Q61Given below are two statements: Statement I : CrO3\mathrm{CrO_3} is a stronger oxidizing agent than MoO3\mathrm{MoO_3} Statement II : Cr(VI)…MediumTwo statements
  2. 4 Apr 2024, Shift 1 · Q69The element which shows only one oxidation state other than its elemental form is :EasySingle correct
  3. 9 Apr 2024, Shift 2 · Q69Give below are two statements : Statement I : The higher oxidation states are more stable down the group among transition elements unlike…MediumTwo statements
  4. 1 Feb 2024, Shift 2 · Q69Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : In aqueous…MediumAssertion–reason
  5. 8 Apr 2023, Shift 2 · Q89The sum of oxidation state of the metals in Fe(CO)5\mathrm{Fe(CO)_5}, VO2+\mathrm{VO^{2+}} and WO3\mathrm{WO_3} is ____________.EasyNumerical value
  6. 25 Jul 2021, Shift 1 · Q38The correct order of following 3d metal oxides, according to their oxidation numbers is : (a) CrO3\mathrm{CrO_3} (b) Fe2O3\mathrm{Fe_2O_3} (c)…EasyOther
  7. 17 Mar 2021, Shift 2 · Q39The common positive oxidation states for an element with atomic number 24, are :EasySingle 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 108 of the 174 JEE Main shifts held from 2017 to 2026.