07. Spectra and Colour of Co-ordination Compounds
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COORDINATION COMPOUNDS

274426 Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni (II).
Which of the following statements is not true?

1 Red complex has a square planar geometry.
2 Complex has symmetrical H-bonding.
3 Red complex has a tetrahedral geometry.
4 Dimethylglyoxime functions as bidentate ligand.
original image
AIPMT -Mains 2012
COORDINATION COMPOUNDS

274416 The aqueous solution containing which one of the following ions will be coluorless?
(Atomic number : $\mathrm{Sc}=21,1 \mathrm{Fe}=26, \mathrm{Ti}=22$, $\operatorname{Mn}=25$ )

1 $\mathrm{Sc}^{3+}$
2 $\mathrm{Fe}^{2+}$
3 $\mathrm{Ti}^{3+}$
4 $\mathrm{Mn}^{2+}$
AIPMT -2005
COORDINATION COMPOUNDS

274363 The correct order of energy of absorption for the following metal complexes is
$\mathrm{A}:\left[\mathrm{Ni}(\mathrm{en})_{3}\right]^{2+}, \mathrm{B}:\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}, \mathrm{C}:\left[\mathbf{N i}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}$

1 C $<$ B $<$ A
2 B $<$ C $<$ A
3 C $<$ A $<$ B
4 A $<$ C $<$ B
JEE Main 25.07.2022
COORDINATION COMPOUNDS

274365 A metal complex absorbed orange light. The color in which it appears is

1 Yellow
2 Yellow-Green
3 Red
4 Green-Blue
TS- EAMCET-19.07.2022
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COORDINATION COMPOUNDS

274426 Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni (II).
Which of the following statements is not true?

1 Red complex has a square planar geometry.
2 Complex has symmetrical H-bonding.
3 Red complex has a tetrahedral geometry.
4 Dimethylglyoxime functions as bidentate ligand.
original image
AIPMT -Mains 2012
COORDINATION COMPOUNDS

274416 The aqueous solution containing which one of the following ions will be coluorless?
(Atomic number : $\mathrm{Sc}=21,1 \mathrm{Fe}=26, \mathrm{Ti}=22$, $\operatorname{Mn}=25$ )

1 $\mathrm{Sc}^{3+}$
2 $\mathrm{Fe}^{2+}$
3 $\mathrm{Ti}^{3+}$
4 $\mathrm{Mn}^{2+}$
AIPMT -2005
COORDINATION COMPOUNDS

274363 The correct order of energy of absorption for the following metal complexes is
$\mathrm{A}:\left[\mathrm{Ni}(\mathrm{en})_{3}\right]^{2+}, \mathrm{B}:\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}, \mathrm{C}:\left[\mathbf{N i}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}$

1 C $<$ B $<$ A
2 B $<$ C $<$ A
3 C $<$ A $<$ B
4 A $<$ C $<$ B
JEE Main 25.07.2022
COORDINATION COMPOUNDS

274365 A metal complex absorbed orange light. The color in which it appears is

1 Yellow
2 Yellow-Green
3 Red
4 Green-Blue
TS- EAMCET-19.07.2022
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COORDINATION COMPOUNDS

274426 Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni (II).
Which of the following statements is not true?

1 Red complex has a square planar geometry.
2 Complex has symmetrical H-bonding.
3 Red complex has a tetrahedral geometry.
4 Dimethylglyoxime functions as bidentate ligand.
original image
AIPMT -Mains 2012
COORDINATION COMPOUNDS

274416 The aqueous solution containing which one of the following ions will be coluorless?
(Atomic number : $\mathrm{Sc}=21,1 \mathrm{Fe}=26, \mathrm{Ti}=22$, $\operatorname{Mn}=25$ )

1 $\mathrm{Sc}^{3+}$
2 $\mathrm{Fe}^{2+}$
3 $\mathrm{Ti}^{3+}$
4 $\mathrm{Mn}^{2+}$
AIPMT -2005
COORDINATION COMPOUNDS

274363 The correct order of energy of absorption for the following metal complexes is
$\mathrm{A}:\left[\mathrm{Ni}(\mathrm{en})_{3}\right]^{2+}, \mathrm{B}:\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}, \mathrm{C}:\left[\mathbf{N i}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}$

1 C $<$ B $<$ A
2 B $<$ C $<$ A
3 C $<$ A $<$ B
4 A $<$ C $<$ B
JEE Main 25.07.2022
COORDINATION COMPOUNDS

274365 A metal complex absorbed orange light. The color in which it appears is

1 Yellow
2 Yellow-Green
3 Red
4 Green-Blue
TS- EAMCET-19.07.2022
For More Updates join with Us
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
COORDINATION COMPOUNDS

274426 Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammoniacal Ni (II).
Which of the following statements is not true?

1 Red complex has a square planar geometry.
2 Complex has symmetrical H-bonding.
3 Red complex has a tetrahedral geometry.
4 Dimethylglyoxime functions as bidentate ligand.
original image
AIPMT -Mains 2012
COORDINATION COMPOUNDS

274416 The aqueous solution containing which one of the following ions will be coluorless?
(Atomic number : $\mathrm{Sc}=21,1 \mathrm{Fe}=26, \mathrm{Ti}=22$, $\operatorname{Mn}=25$ )

1 $\mathrm{Sc}^{3+}$
2 $\mathrm{Fe}^{2+}$
3 $\mathrm{Ti}^{3+}$
4 $\mathrm{Mn}^{2+}$
AIPMT -2005
COORDINATION COMPOUNDS

274363 The correct order of energy of absorption for the following metal complexes is
$\mathrm{A}:\left[\mathrm{Ni}(\mathrm{en})_{3}\right]^{2+}, \mathrm{B}:\left[\mathrm{Ni}\left(\mathrm{NH}_{3}\right)_{6}\right]^{2+}, \mathrm{C}:\left[\mathbf{N i}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}$

1 C $<$ B $<$ A
2 B $<$ C $<$ A
3 C $<$ A $<$ B
4 A $<$ C $<$ B
JEE Main 25.07.2022
COORDINATION COMPOUNDS

274365 A metal complex absorbed orange light. The color in which it appears is

1 Yellow
2 Yellow-Green
3 Red
4 Green-Blue
TS- EAMCET-19.07.2022