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  1. Problems
  2. /Coordination Compounds

Coordination Compounds

Chemistry

Werner's theory, ligands, naming, isomerism, and bonding by valence bond and crystal field theory.

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33 problems
Exam:
Type:
1.
Two complexes of the same metal ion form at 298 K… New
High School (11–12) · Bonding: Valence Bond and Crystal Field TheoryStemPy LabStemPy Lab
Medium
2.
Four aqua complexes are [Sc(H₂O)₆]³⁺, [Zn(H₂O)₆]²⁺, [Cr(H₂O)₆]³⁺ and [Co(H₂O)₆]²⁺… New
High School (11–12) · Bonding: Valence Bond and Crystal Field TheoryA-Level, IB, NEETStemPy LabStemPy Lab
Medium
3.
The complex of a d¹ ion absorbs red light of wavelength 640 nm… New
High School (11–12) · Bonding: Valence Bond and Crystal Field TheoryA-Level, IBStemPy LabStemPy Lab
Easy
4.
A d² ion forms an octahedral complex with Δo = 270 kJ/mol… New
High School (11–12) · Bonding: Valence Bond and Crystal Field TheoryStemPy LabStemPy Lab
Hard
5.
The blue complex [CoCl₄]²⁻ is tetrahedral… New
High School (11–12) · Bonding: Valence Bond and Crystal Field TheoryA-Level, IB, NEETStemPy LabStemPy Lab
Medium
6.
An octahedral complex of a d⁴ ion has Δo = 130 kJ/mol with a weak ligand and Δo = 310 kJ/mol with a… New
High School (11–12) · Bonding: Valence Bond and Crystal Field TheoryA-Level, IB, NEETStemPy LabStemPy Lab
Medium
7.
The complex [Ni(H₂O)₆]²⁺ is octahedral with Δo = 102 kJ/mol… New
High School (11–12) · Bonding: Valence Bond and Crystal Field TheoryA-Level, IBStemPy LabStemPy Lab
Easy
8.
Two complexes of Fe²⁺ each have six identical ligands around the ion… New
High School (11–12) · Bonding: Valence Bond and Crystal Field TheoryA-Level, IB, NEETStemPy LabStemPy Lab
Hard
9.
The deep blue complex [Cu(NH₃)₄]²⁺ is square planar and paramagnetic… New
High School (11–12) · Bonding: Valence Bond and Crystal Field TheoryA-Level, IB, NEETStemPy LabStemPy Lab
Medium
10.
The octahedral complex [CoF₆]³⁻ is paramagnetic… New
High School (11–12) · Bonding: Valence Bond and Crystal Field TheoryA-Level, IB, NEETStemPy LabStemPy Lab
Medium
11.
Three octahedral complexes are [V(H₂O)₆]³⁺, [Cr(NH₃)₆]³⁺ and [Mn(H₂O)₆]²⁺… New
High School (11–12) · Bonding: Valence Bond and Crystal Field TheoryStemPy LabStemPy Lab
Easy
12.
The glycinate ion bonds to a metal through its nitrogen and through one oxygen… New
High School (11–12) · Isomerism in Coordination CompoundsStemPy LabStemPy Lab
Hard
13.
A solution of a chiral complex is 80 percent of the (+) form and 20 percent of the (-) form… New
High School (11–12) · Isomerism in Coordination CompoundsA-Level, IB, JEE MainStemPy LabStemPy Lab
Medium
14.
Here are five complexes, with ox for the bidentate oxalate ion… New
High School (11–12) · Isomerism in Coordination CompoundsA-Level, IB, JEE MainStemPy LabStemPy Lab
Medium
15.
Consider octahedral [Co(NH₃)₄(NO₂)(SCN)]⁺… New
High School (11–12) · Isomerism in Coordination CompoundsA-Level, IB, JEE MainStemPy LabStemPy Lab
Hard
16.
Only two forms of [Pt(NH₃)₂Cl₂] have ever been made… New
High School (11–12) · Isomerism in Coordination CompoundsA-Level, IB, JEE MainStemPy LabStemPy Lab
Medium
17.
The complex [Co(NH₃)₃(NO₂)₃] has a fac isomer and a mer isomer… New
High School (11–12) · Isomerism in Coordination CompoundsA-Level, IB, JEE MainStemPy LabStemPy Lab
Medium
18.
Consider the neutral octahedral platinum(IV) complex [Pt(NH₃)₂Cl₂(OH)₂]… New
High School (11–12) · Isomerism in Coordination CompoundsStemPy LabStemPy Lab
Hard
19.
In a square planar complex each M-Cl bond has a bond dipole of 3.6 D… New
High School (11–12) · Isomerism in Coordination CompoundsA-Level, IBStemPy LabStemPy Lab
Easy
20.
A chemist has 0.0400 mol of each of two ionisation isomers, [Co(NH₃)₅Cl]SO₄ and [Co(NH₃)₅(SO₄)]Cl… New
High School (11–12) · Isomerism in Coordination CompoundsA-Level, IB, JEE MainStemPy LabStemPy Lab
Medium
21.
Name the kind of structural isomerism in each pair, or say that the two are not isomers… New
High School (11–12) · Isomerism in Coordination CompoundsA-Level, IBStemPy LabStemPy Lab
Easy
22.
A student dissolves 2.665 g of a chromium chloride hydrate, CrCl₃· 6H₂O, in cold water… New
High School (11–12) · Isomerism in Coordination CompoundsStemPy LabStemPy Lab
Medium
23.
Each of these names has one mistake. Find it and write the correct name… New
High School (11–12) · Werner's Theory, Ligands and NomenclatureA-Level, Board Exam, IBStemPy LabStemPy Lab
Hard
24.
Name the complex [Ni(CO)₄], [Pt(NH₃)₂Cl₂] and [Zn(OH)₄]²⁻… New
High School (11–12) · Werner's Theory, Ligands and NomenclatureStemPy LabStemPy Lab
Medium
25.
Write the formula of each compound. sodium tetrahydroxidozincate(II); hexaaquanickel(II) chloride… New
High School (11–12) · Werner's Theory, Ligands and NomenclatureA-Level, Board Exam, IBStemPy LabStemPy Lab
Medium
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