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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

What is the relationship between observed colour of the complex and the wavelength of light absorbed by the complex?

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प्रश्न

What is the relationship between observed colour of the complex and the wavelength of light absorbed by the complex?

दीर्घउत्तर
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उत्तर

When white light falls on the complex, some part of it is absorbed. Higher the crystal field splitting, lower will be the wavelength absorbed by the complex. The observed colour of complex is the colour generated from the wavelength left over.

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पाठ 9: Coordination Compounds - Exercises [पृष्ठ १२७]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 9 Coordination Compounds
Exercises | Q VI. 49. | पृष्ठ १२७

संबंधित प्रश्‍न

Give the oxidation state, d-orbital occupation and coordination number of the central metal ion in the following complex:

K3[Co(C2O4)3]


Write IUPAC names of the following compounds


Following compounds are given to you :

2-Bromopentane, 2-Bromo-2-methylbutane, 1-Bromopentane

1) Write the compound which is most reactive towards SN2 reaction.

2) Write the compound which is optically active.

3)  Write the compound which is most reactive towards β-elimination reaction. 


Complete the following reactions

NH3+3Cl2(excess) ---->


The ligand triethylenetetramine is _______.


Write structures of compounds A and B of the following reaction : 


Which of the following represents a chelate ligand?


A group of atoms can function as a ligand only when:


Which of the following is non-ionizable?


Which of the following complexes are homoleptic?

(i) \[\ce{[Co(NH3)6]^{3+}}\]

(ii) \[\ce{[Co(NH3)4 Cl2]^{+}}\]

(iii) \[\ce{[Ni(CN)4]^{2-}}\]

(iv) \[\ce{[Ni(NH3)4Cl2]}\]


Identify the correct statements for the behaviour of ethane-1, 2-diamine as a ligand.

(i) It is a neutral ligand.

(ii) It is a didentate ligand.

(iii) It is a chelating ligand.

(iv) It is a unidentate ligand.


A coordination compound \[\ce{CrCl3.4H2O}\] precipitates silver chloride when treated with silver nitrate. The molar conductance of its solution corresponds to a total of two ions. Write structural formula of the compound and name it.


A complex of the type \[\ce{[M(AA)2X2]^{n+}}\] is known to be optically active. What does this indicate about the structure of the complex? Give one example of such complex.


According to IUPAC nomenclatures, sodium nitroprusside is named as


Metal attached with EDTA in an octahedral complex, has coordination number ______.


What are Homoleptic complexes?


The one that will show optical activity is: (en = ethane 1, 2-diamine)


Assertion (A): EDTA is a hexadentate ligand.

Reason (R): EDTA has 2 nitrogen and 4 oxygen donor atoms.


Give two examples of ambidentate ligands.


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