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Saturday, 31 October

JEE Main 2026 · ChemistryMultiple choiceOtherHardConceptual

JEE Main 5 April 2026, Shift 2, Chemistry Q61

Question 61 of 75 in this shift, Chemistry question 11 of 25, Section A.

Identify the correct statements from the following A. [Fe(C2O4)3]3−\mathrm{[Fe(C_2O_4)_3]^{3-}} is the most stable complex among [Fe(OH)6]3−\mathrm{[Fe(OH)_6]^{3-}}, [Fe(C2O4)3]3−\mathrm{[Fe(C_2O_4)_3]^{3-}} and [Fe(SCN)6]3−\mathrm{[Fe(SCN)_6]^{3-}} B. The stability of [Cu(NH3)4]2+\mathrm{[Cu(NH_3)_4]^{2+}} is greater than that of [Cu(en)2]2+\mathrm{[Cu(en)_2]^{2+}} C. The hybridization of Fe in K4[Fe(CN)6]\mathrm{K_4[Fe(CN)_6]} is d2sp3d^2sp^3 D. [Fe(NO2)3Cl3]3−\mathrm{[Fe(NO_2)_3Cl_3]^{3-}} exhibits linkage isomerism E. NO2−\mathrm{NO_2^-} and SCN−\mathrm{SCN^-} ligands are NOT ambidentate ligands Choose the correct answer from the options given below :
  1. (1)A, B, C, D and E
  2. (2)B, C and D only
  3. (3)A, C and D onlyOfficial answer
  4. (4)A, C and E only

Official answer

Option 3

NTA final key.

Same idea in other shifts

Asked 2× in all
  1. 4 Sep 2020, Shift 1 · Q37The number of isomers possible for [Pt(en)(NO2)2]\mathrm{[Pt(en)(NO_2)_2]} 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 108 of the 174 JEE Main shifts held from 2017 to 2026.