Learn

Friday, 9 October

JEE Main 2023 · ChemistryMultiple choiceSingle correctMediumMulti-step

JEE Main 13 April 2023, Shift 2, Chemistry Q72

Question 72 of 90 in this shift, Chemistry question 12 of 30, Section A.

The total number of stereoisomers for the complex [Cr(ox)2ClBr]3−[\mathrm{Cr}(ox)_2\mathrm{ClBr}]^{3-} (where oxox = oxalate) is:
  1. (1)2
  2. (2)3Official answer
  3. (3)4
  4. (4)1

Official answer

Option 2

NTA final key.

Same topic in other shifts

All Coordination Isomerism questions
  1. 2 Apr 2026, Shift 1 · Q715.335.33 g of CrCl3⋅6H2O\mathrm{CrCl_3{\cdot}6H_2O}, which is a 1:31:3 electrolyte, is dissolved in water and is passed through a cation exchanger.…HardNumerical value
  2. 2 Apr 2026, Shift 2 · Q61Which of the following complexes will show coordination isomerism? A. [Ag(NH3)2][Ag(CN)2][Ag(NH_3)_2][Ag(CN)_2] B. [Co(NH3)6][Cr(CN)6][Co(NH_3)_6][Cr(CN)_6] C.…MediumSingle correct
  3. 5 Apr 2026, Shift 2 · Q61Identify the correct statements from the following A. [Fe(C2O4)3]3−\mathrm{[Fe(C_2O_4)_3]^{3-}} is the most stable complex among…HardOther
  4. 6 Apr 2026, Shift 2 · Q71An excess of AgNO3\mathrm{AgNO_3} is added to 100 mL of a 0.05 M solution of tetraaquadichloridochromium (III) chloride. The number of moles…EasyNumerical value
  5. 3 Apr 2025, Shift 1 · Q72The number of optical isomers exhibited by the iron complex (A) obtained from the following reaction is ______.…MediumNumerical value
  6. 4 Apr 2025, Shift 2 · Q75A metal complex with a formula MCl4⋅3NH3\mathrm{MCl_4\cdot3NH_3} is involved in sp3d2\mathrm{sp^3d^2} hybridisation. It upon reaction with excess of…MediumNumerical value

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.