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JEE Main 202523 JanuaryMorning Shift
Exam
JEE Main
Year
2025
Date
23 January
Shift
Morning Shift
Subject
Chemistry
Chapter
d and f Block Elements

JEE Main 2025 · 23 January · Morning Shift · Chemistry · d and f Block Elements

The correct set of ions (aqueous solution) with same colour from...

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

Options

  1. ASc3+,Ti3+,Cr2+\mathrm{Sc}^{3+}, \mathrm{Ti}^{3+}, \mathrm{Cr}^{2+}
  2. BV2+,Cr3+,Mn3+\mathrm{V}^{2+}, \mathrm{Cr}^{3+}, \mathrm{Mn}^{3+}
  3. CTi4+,V4+,Mn2+\mathrm{Ti}^{4+}, \mathrm{V}^{4+}, \mathrm{Mn}^{2+}
  4. DZn2+,V3+,Fe3+\mathrm{Zn}^{2+}, \mathrm{V}^{3+}, \mathrm{Fe}^{3+}

Correct answer

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

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)
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