Chemistry · d and f Block Elements

JEE Main 2025 — 23 January, Morning Shift — Question 40

The correct set of ions (aqueous solution) with same colour from the following is :

  1. Option A:

    V2+,Cr3+,Mn3+\mathrm{V}^{2+}, \mathrm{Cr}^{3+}, \mathrm{Mn}^{3+}

    Correct
  2. Option B:

    Zn2+,V3+,Fe3+\mathrm{Zn}^{2+}, \mathrm{V}^{3+}, \mathrm{Fe}^{3+}

  3. Option C:

    Ti4+,V4+,Mn2+\mathrm{Ti}^{4+}, \mathrm{V}^{4+}, \mathrm{Mn}^{2+}

  4. Option D:

    Sc3+,Ti3+,Cr2+\mathrm{Sc}^{3+}, \mathrm{Ti}^{3+}, \mathrm{Cr}^{2+}

Answer: A

Step-by-step solution

(1) V2+\mathrm{V}^{2+} (Violet), Cr3+\mathrm{Cr}^{3+} (Violet), Mn3+\mathrm{Mn}^{3+} (Violet)

(2) Zn2+\mathrm{Zn}^{2+} (Colourless), V3+\mathrm{V}^{3+} (Green), Fe3+\mathrm{Fe}^{3+} (Yellow)

(3) Ti4+\mathrm{Ti}^{4+} (Colourless), V4+\mathrm{V}^{4+} (Blue), Mn2+\mathrm{Mn}^{2+} (Pink)

(4) Sc3+\mathrm{Sc}^{3+} (Colourless), Ti3+\mathrm{Ti}^{3+} (Purple), Cr2+\mathrm{Cr}^{2+} (Blue)

Answer key and solution verified before publishing.

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Exam
JEE Main 2025
Subject
Chemistry
Chapter
d and f Block Elements
Topic
Properties of general compounds of transition elements
The correct set of ions (aqueous solution) with same colour from the… | JEE Main 2025 PYQ with Solution · DhiX AI