The correct set of ions (aqueous solution) with same colour from the following is: [2025]

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Q.
The correct set of ions (aqueous solution) with same colour from the following is: [2025]

1 ${Zn}^{2 +}, V^{3 +}, {Fe}^{3 +}$

2 ${Sc}^{3 +}, {Ti}^{3 +}, {Cr}^{2 +}$

3 ${Ti}^{4 +}, V^{4 +}, {Mn}^{2 +}$

4 $V^{2 +}, {Cr}^{3 +}, {Mn}^{3 +}$

Ans.
(4)

Ions Colour

${Sc}^{3 +}$ colourless

${Ti}^{4 +}$ colourless

${Ti}^{3 +}$ purple

$V^{4 +}$ blue

$V^{3 +}$ green

$V^{2 +}$ violet

${Cr}^{3 +}$ violet

${Mn}^{3 +}$ violet

${Cr}^{2 +}$ blue

${Mn}^{2 +}$ pink

${Fe}^{3 +}$ yellow

${Zn}^{2 +}$ colourless

Solution

Q.
The correct set of ions (aqueous solution) with same colour from the following is: [2025]

1 ${Zn}^{2 +}, V^{3 +}, {Fe}^{3 +}$

2 ${Sc}^{3 +}, {Ti}^{3 +}, {Cr}^{2 +}$

3 ${Ti}^{4 +}, V^{4 +}, {Mn}^{2 +}$

4 $V^{2 +}, {Cr}^{3 +}, {Mn}^{3 +}$

Ans.
(4)

Ions Colour

${Sc}^{3 +}$ colourless

${Ti}^{4 +}$ colourless

${Ti}^{3 +}$ purple

$V^{4 +}$ blue

$V^{3 +}$ green

$V^{2 +}$ violet

${Cr}^{3 +}$ violet

${Mn}^{3 +}$ violet

${Cr}^{2 +}$ blue

${Mn}^{2 +}$ pink

${Fe}^{3 +}$ yellow

${Zn}^{2 +}$ colourless

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Ions	Colour
${Sc}^{3 +}$	colourless
${Ti}^{4 +}$	colourless
${Ti}^{3 +}$	purple
$V^{4 +}$	blue
$V^{3 +}$	green
$V^{2 +}$	violet
${Cr}^{3 +}$	violet
${Mn}^{3 +}$	violet
${Cr}^{2 +}$	blue
${Mn}^{2 +}$	pink
${Fe}^{3 +}$	yellow
${Zn}^{2 +}$	colourless

Solution

Q. The correct set of ions (aqueous solution) with same colour from the following is: [2025]

1 Zn2+,V3+,Fe3+

2 Sc3+,Ti3+,Cr2+

3 Ti4+,V4+,Mn2+

4 V2+,Cr3+,Mn3+

Ans. (4) Ions Colour Sc3+ colourless Ti4+ colourless Ti3+ purple V4+ blue V3+ green V2+ violet Cr3+ violet Mn3+ violet Cr2+ blue Mn2+ pink Fe3+ yellow Zn2+ colourless

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Q.
The correct set of ions (aqueous solution) with same colour from the following is: [2025]

1 ${Zn}^{2 +}, V^{3 +}, {Fe}^{3 +}$

2 ${Sc}^{3 +}, {Ti}^{3 +}, {Cr}^{2 +}$

3 ${Ti}^{4 +}, V^{4 +}, {Mn}^{2 +}$

4 $V^{2 +}, {Cr}^{3 +}, {Mn}^{3 +}$

Ans.
(4)

Ions Colour

${Sc}^{3 +}$ colourless

${Ti}^{4 +}$ colourless

${Ti}^{3 +}$ purple

$V^{4 +}$ blue

$V^{3 +}$ green

$V^{2 +}$ violet

${Cr}^{3 +}$ violet

${Mn}^{3 +}$ violet

${Cr}^{2 +}$ blue

${Mn}^{2 +}$ pink

${Fe}^{3 +}$ yellow

${Zn}^{2 +}$ colourless