Colour in Coordination Compounds
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CHXII09:COORDINATION COMPOUNDS

321785 Select incorrect relationship between the colour of light absorbed and colour observed in coordination entities.

1 Colour absorbed - Yellow
Colour observed - Violet
2 Colour absorbed - Orange - yellow
Colour observed - Blue
3 Colour absorbed - Red
Colour observed - Green
4 Colour absorbed - Violet
Colour observed - Red
CHXII09:COORDINATION COMPOUNDS

321786 Which one of the follownig complexes will most likely absorb visible light?
(At nos. \(\mathrm{Sc}=21, \mathrm{Ti}=22, \mathrm{~V}=23, \mathrm{Zn}=30\) ):-

1 \(\left[\mathrm{Ti}\left(\mathrm{NH}_{3}\right)_{6}\right]^{4+}\)
2 \(\left[\mathrm{V}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Zn}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}\)
4 \(\left[\mathrm{Sc}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)
JEE - 2013
CHXII09:COORDINATION COMPOUNDS

321787 Which of the following complex ion is not expected to absorb visible light?

1 \(\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
4 \(\left[\mathrm{Ni}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
CHXII09:COORDINATION COMPOUNDS

321788 Which of the following statements are incorrect?

1 Colour of a complex depends upon nature of metal ion only.
2 \({\Delta _{\text{o}}}{\text{ > }}{\Delta _{\text{t}}}\)
3 \(\mathrm{NO}_{2}\) is a strong ligand.
4 If \({\Delta _{\text{o}}}{\text{ < P}}\), high spin state is more stable.
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CHXII09:COORDINATION COMPOUNDS

321785 Select incorrect relationship between the colour of light absorbed and colour observed in coordination entities.

1 Colour absorbed - Yellow
Colour observed - Violet
2 Colour absorbed - Orange - yellow
Colour observed - Blue
3 Colour absorbed - Red
Colour observed - Green
4 Colour absorbed - Violet
Colour observed - Red
CHXII09:COORDINATION COMPOUNDS

321786 Which one of the follownig complexes will most likely absorb visible light?
(At nos. \(\mathrm{Sc}=21, \mathrm{Ti}=22, \mathrm{~V}=23, \mathrm{Zn}=30\) ):-

1 \(\left[\mathrm{Ti}\left(\mathrm{NH}_{3}\right)_{6}\right]^{4+}\)
2 \(\left[\mathrm{V}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Zn}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}\)
4 \(\left[\mathrm{Sc}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)
JEE - 2013
CHXII09:COORDINATION COMPOUNDS

321787 Which of the following complex ion is not expected to absorb visible light?

1 \(\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
4 \(\left[\mathrm{Ni}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
CHXII09:COORDINATION COMPOUNDS

321788 Which of the following statements are incorrect?

1 Colour of a complex depends upon nature of metal ion only.
2 \({\Delta _{\text{o}}}{\text{ > }}{\Delta _{\text{t}}}\)
3 \(\mathrm{NO}_{2}\) is a strong ligand.
4 If \({\Delta _{\text{o}}}{\text{ < P}}\), high spin state is more stable.
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CHXII09:COORDINATION COMPOUNDS

321785 Select incorrect relationship between the colour of light absorbed and colour observed in coordination entities.

1 Colour absorbed - Yellow
Colour observed - Violet
2 Colour absorbed - Orange - yellow
Colour observed - Blue
3 Colour absorbed - Red
Colour observed - Green
4 Colour absorbed - Violet
Colour observed - Red
CHXII09:COORDINATION COMPOUNDS

321786 Which one of the follownig complexes will most likely absorb visible light?
(At nos. \(\mathrm{Sc}=21, \mathrm{Ti}=22, \mathrm{~V}=23, \mathrm{Zn}=30\) ):-

1 \(\left[\mathrm{Ti}\left(\mathrm{NH}_{3}\right)_{6}\right]^{4+}\)
2 \(\left[\mathrm{V}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Zn}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}\)
4 \(\left[\mathrm{Sc}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)
JEE - 2013
CHXII09:COORDINATION COMPOUNDS

321787 Which of the following complex ion is not expected to absorb visible light?

1 \(\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
4 \(\left[\mathrm{Ni}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
CHXII09:COORDINATION COMPOUNDS

321788 Which of the following statements are incorrect?

1 Colour of a complex depends upon nature of metal ion only.
2 \({\Delta _{\text{o}}}{\text{ > }}{\Delta _{\text{t}}}\)
3 \(\mathrm{NO}_{2}\) is a strong ligand.
4 If \({\Delta _{\text{o}}}{\text{ < P}}\), high spin state is more stable.
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CHXII09:COORDINATION COMPOUNDS

321785 Select incorrect relationship between the colour of light absorbed and colour observed in coordination entities.

1 Colour absorbed - Yellow
Colour observed - Violet
2 Colour absorbed - Orange - yellow
Colour observed - Blue
3 Colour absorbed - Red
Colour observed - Green
4 Colour absorbed - Violet
Colour observed - Red
CHXII09:COORDINATION COMPOUNDS

321786 Which one of the follownig complexes will most likely absorb visible light?
(At nos. \(\mathrm{Sc}=21, \mathrm{Ti}=22, \mathrm{~V}=23, \mathrm{Zn}=30\) ):-

1 \(\left[\mathrm{Ti}\left(\mathrm{NH}_{3}\right)_{6}\right]^{4+}\)
2 \(\left[\mathrm{V}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Zn}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}\)
4 \(\left[\mathrm{Sc}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}\)
JEE - 2013
CHXII09:COORDINATION COMPOUNDS

321787 Which of the following complex ion is not expected to absorb visible light?

1 \(\left[\mathrm{Ni}(\mathrm{CN})_{4}\right]^{2-}\)
2 \(\left[\mathrm{Cr}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}\)
3 \(\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
4 \(\left[\mathrm{Ni}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}\)
CHXII09:COORDINATION COMPOUNDS

321788 Which of the following statements are incorrect?

1 Colour of a complex depends upon nature of metal ion only.
2 \({\Delta _{\text{o}}}{\text{ > }}{\Delta _{\text{t}}}\)
3 \(\mathrm{NO}_{2}\) is a strong ligand.
4 If \({\Delta _{\text{o}}}{\text{ < P}}\), high spin state is more stable.
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