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Chapters
2: Solutions
3: Ionic Equilibria
4: Chemical Thermodynamics
5: Electrochemistry
6: Chemical Kinetics
7: Elements of Groups 16, 17 and 18
8: Transition and Inner transition Elements
▶ 9: Coordination Compounds
10: Halogen Derivatives
11: Alcohols, Phenols and Ethers
12: Aldehydes, Ketones and Carboxylic acids
13: Amines
14: Biomolecules
15: Introduction to Polymer Chemistry
16: Green Chemistry and Nanochemistry
![Balbharati solutions for Chemistry [English] 12 Standard HSC chapter 9 - Coordination Compounds - Shaalaa.com](/images/chemistry-english-12-standard-hsc_6:74400b801d4c44ef8e058ff9d9dfe964.jpg "Balbharati solutions for Chemistry [English] 12 Standard HSC chapter 9 - Coordination Compounds")
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Solutions for Chapter 9: Coordination Compounds
Below listed, you can find solutions for Chapter 9 of Maharashtra State Board Balbharati for Chemistry [English] 12 Standard HSC.
Balbharati solutions for Chemistry [English] 12 Standard HSC 9 Coordination Compounds Exercises [Pages 207 - 209]
Choose the most correct option.
The oxidation state of cobalt ion in the complex [Co(NH3)5 Br]SO4 is __________.
+2
+3
+1
+4
Choose the most correct option.
IUPAC name of the complex [Pt(en)2(SCN)2]2+ is ____________.
bis (ethylenediamine dithiocyanatoplatinum (IV) ion
bis (ethylenediamine) dithiocyantoplatinate (IV) ion
dicyanatobis (ethylenediamine) platinate IV ion
bis (ethylenediammine)dithiocynato platinate (IV) ion
Choose the most correct option.
Formula for the compound sodium hexacynoferrate (III) is ____________.
[NaFe(CN)6]
Na2[Fe(CN)6]
Na[Fe(CN)6]
Na3[Fe(CN)6]
Choose the most correct option.
Which of the following complexes exist as cis and trans isomers?
1. [Cr(NH3)2Cl4]-
2. [Co(NH3)5Br]2⊕
3. [PtCl2Br2]2- (square planar)
4. [FeCl2(NCS)2]2- (tetrahedral)
1 and 3
2 and 3
1 and 3
4 only
Choose the most correct option.
Which of the following complexes is chiral?
1. [Co(en)2Cl2]⊕
2. [Pt(en)Cl2]
3. [Cr(C2O4)3]3-
4. [Co(NH3)4Cl2]⊕
1 and 3
2 and 3
1 and 4
2 and 4
On the basis of CFT predict the number of unpaired electrons in [CrF6]3-.
1
2
3
4
When an excess of AgNO3 is added to the complex, one mole of AgCl is precipitated. The formula of the complex is ______.
[CoCl2(NH3)4]Cl
[CoCl(NH3)4]Cl2
[CoCl3(NH3)3]
[Co(NH3)6]Cl3
[CoCl(NH3)5]Cl2
Choose the most correct option.
The sum of coordination number and oxidation number of M in [M(en)2C2O4]Cl is _____________.
6
7
9
8
Answer the following in one or two sentences.
Write the formula for tetraammineplatinum (II) chloride.
Answer the following in one or two sentences.
Predict whether the [Cr(en)2(H2O)2]3+ complex is chiral. Write the structure of its enantiomer.
Answer the following in one or two sentences.
Name the Lewis acids and bases in the complex [PtCl2 (NH3)2].
Answer the following in one or two sentences.
What is the shape of a complex in which the coordination number of the central metal ion is 4?
Answer the following in one or two sentences.
Is the complex [CoF6] cationic or anionic if the oxidation state of cobalt ion is +3?
Answer the following in one or two sentences.
Consider the complexes \[\ce{[Cu(NH3)4][PtCl4] and [Pt(NH3)4] [CuCl4]}\]. What type of isomerism these two complexes exhibit?
Answer the following in one or two sentences.
Mention two applications of coordination compounds.
Answer in brief.
What are bidentate ligands? Give one example.
Answer in brief.
What are the coordination number and oxidation state of the metal ion in the complex [Pt(NH3)Cl5]-?
Answer in brief.
What is the difference between a double salt and a complex? Give an example.
Answer in brief.
Classify the following complexes as homoleptic and heteroleptic [Cu(NH3)4]SO4, [Cu(en)2(H2O)Cl]2⊕, [Fe(H2O)5 (NCS)]2⊕, tetraammine zinc (II) nitrate.
Answer in brief.
Write formulae of the following complex.
Potassium amminetrichloroplatinate (II)
Answer in brief.
Write formulae of the following complex.
Dicyanoaurate (I) ion
Answer in brief.
What are ionization isomers ? Give an example.
Answer in brief.
What are the high-spin and low-spin complexes?
Answer in brief.
[CoCl4]2- is a tetrahedral complex. Draw its box orbital diagram. State which orbitals participate in hybridization.
Answer in brief.
What are strong field and weak field ligands ? Give one example of each.
Answer in brief.
With the help of the crystal field, the energy-level diagram explains why the complex [Cr(en)3]3⊕ is coloured.
Answer the following question.
Give valence bond description for the bonding in the complex [VCl4]-. Draw box diagrams for the free metal ion. Which hybrid orbitals are used by the metal? State the number of unpaired electrons.
Answer the following question.
Draw a qualitatively energy-level diagram showing d-orbital splitting in the octahedral environment. Predict the number of unpaired electrons in the complex [Fe(CN)6]4-. Is the complex diamagnetic or paramagnetic? Is it coloured? Explain.
Draw isomers of the following.
\[\ce{Pt(NH3)2ClNO2}\]
Answer the following question.
Draw isomers of the following
Ru(NH3)4Cl2
Answer the following question.
Draw isomers of the following
[Cr(en2)Br2]⊕
Answer the following question.
Draw geometric isomers and enantiomers of the following complex.
[Pt(en)3]4⊕
Answer the following question.
Draw geometric isomers and enantiomers of the following complex.
[Pt(en)2ClBr]2⊕
What are ligands?
What are the types of ligands? Give one example of each type.
Answer the following question.
What are cationic, anionic, and neutral complexes? Give one example of each.
Answer the following question.
How stability of the coordination compounds can be explained in terms of equilibrium constants?
Answer the following question.
Name the factors governing the equilibrium constants of the coordination compounds.
Solutions for 9: Coordination Compounds
Balbharati solutions for Chemistry [English] 12 Standard HSC chapter 9 - Coordination Compounds
Shaalaa.com has the Maharashtra State Board Mathematics Chemistry [English] 12 Standard HSC Maharashtra State Board solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Balbharati solutions for Mathematics Chemistry [English] 12 Standard HSC Maharashtra State Board 9 (Coordination Compounds) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Chemistry [English] 12 Standard HSC chapter 9 Coordination Compounds are Coordination Compounds, Types of Ligands, Terms Used in Coordination Chemistry, Classification of Complexes, IUPAC Nomenclature of Coordination Compounds, Effective Atomic Number (EAN) Rule, Isomerism in Coordination Compounds, Stability of the Coordination Compounds, Theories of Bonding in Complexes, Applications of Coordination Compounds.
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