JEE Main 2020 · ChemistryMultiple choiceSingle correctMediumApplication

JEE Main 8 January 2020, Shift 2, Chemistry Q38

Question 38 of 75 in this shift, Chemistry question 13 of 25, Section A.

Among (a) – (d), the complexes that can display geometrical isomerism are : (a)

\mathrm{[Pt(NH_3)_3Cl]^+}

(b)

\mathrm{[Pt(NH_3)Cl_5]^-}

(c)

\mathrm{[Pt(NH_3)_2Cl(NO_2)]}

(d)

\mathrm{[Pt(NH_3)_4ClBr]^{2+}}

(1)(a) and (b)
(2)(b) and (c)
(3)(c) and (d)Official answer
(4)(d) and (a)

Official answer

Option 3

NTA final key (Jan 2020).

Chapter: Coordination Compounds
Topic: Coordination Isomerism
Idea tested: Square Planar Geometry

Same idea in other shifts

Asked 3× in all

11 Apr 2023, Shift 2 · Q72If $\mathrm{Ni^{2+}}$ is replaced by $\mathrm{Pt^{2+}}$ in the complex $\mathrm{[NiCl_2Br_2]^{2-}}$ , which of the following properties are…MediumSingle correct
18 Mar 2021, Shift 1 · Q40The correct structures of trans- $\mathrm{[NiBr_2(PPh_3)_2]}$ and meridional- $\mathrm{[Co(NH_3)_3(NO_2)_3]}$ , respectively, are :MediumDiagram basedHas a figure

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.