JEE Main202523 Jan 2025Morning ShiftChemistryd and f Block ElementsActual
The correct set of ions (aqueous solution) with same colour from the following is:
Options
- ASc ³⁺, Ti ³⁺, Cr ²⁺
- BV ²⁺, Cr ³⁺, Mn ³⁺
- CTi ⁴⁺, V ⁴⁺, Mn ²⁺
- DZn ²⁺, V ³⁺, Fe ³⁺
Correct answer
B. V ²⁺, Cr ³⁺, Mn ³⁺
Step-by-step solution
(1) V ²⁺ (Violet), Cr ³⁺ (Violet), Mn ³⁺( Violet ) (2) Zn ²⁺ (Colourless), V ³⁺ (Green), Fe ³⁺ (Yellow) (3) Ti ⁴⁺ (Colourless), V ⁴⁺ (Blue), Mn ²⁺ (Pink) (4) Sc ³⁺( Colourless ), Ti ³⁺ (Purple), Cr ²⁺ (Blue)