True or False: (answer directly) 1. If a solution does not form any precipitate when BaCl2 and AgNO3 are separately added, then it is merely distilled water. 2. [Ni(en)3]2+ has higher crystal field splitting energy than [Ni(H2O)6]2+. 3. When solid Ca(OH)2 was dissolved in 0.10 M CaCl2, the solubility product constant was lowered. 4. [Co(NO2)6]3- is an orange octahedral complex with an IUPAC name of hexanitrocobalt(III). 5. In the solubility equilibrium experiment, a saturated solution of Ca(OH)2 maintained in ice bath holds more dissolved calcium than at room temperature. 6. In the hydrogen peroxide system, the detergent is used to detect the formation of H2O molecules. 7. In the selective precipitation experiment, the silver precipitate with lower Ksp dissolves more easily upon the addition of NH3. 8. Frost-Ebsworth diagrams can predict both disproportionation and comproportionation reactions. 9. [Fe(H2O)5SCN]2+, [Ni(en)3]2+ and [Zn(OH)4]2- are octahedral complexes. 10. Reversible thermochromism is observed when [(CH3CH2)2NH2]2[CuC14] is converted back to CuCl2 and (CH3CH2)2NH2-HCI.

True or False: (answer directly) 1. If a solution does not form any precipitate when BaCl2 and AgNO3 are separately added, then it is merely distilled water. 2. [Ni(en)3]2+ has higher crystal field splitting energy than [Ni(H2O)6]2+. 3. When solid Ca(OH)2 was dissolved in 0.10 M CaCl2, the solubility product constant was lowered. 4. [Co(NO2)6]3- is an orange octahedral complex with an IUPAC name of hexanitrocobalt(III). 5. In the solubility equilibrium experiment, a saturated solution of Ca(OH)2 maintained in ice bath holds more dissolved calcium than at room temperature. 6. In the hydrogen peroxide system, the detergent is used to detect the formation of H2O molecules. 7. In the selective precipitation experiment, the silver precipitate with lower Ksp dissolves more easily upon the addition of NH3. 8. Frost-Ebsworth diagrams can predict both disproportionation and comproportionation reactions. 9. [Fe(H2O)5SCN]2+, [Ni(en)3]2+ and [Zn(OH)4]2- are octahedral complexes. 10. Reversible thermochromism is observed when [(CH3CH2)2NH2]2[CuC14] is converted back to CuCl2 and (CH3CH2)2NH2-HCI.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

Coordination Chemistry

It is a part of chemistry, in which the study of compounds that have central atoms surrounded by molecules or ions, known as ligand, is known as coordination chemistry.

Question

True or False: (answer directly)
1.
If a solution does not form any precipitate when BaCl2 and AgNO3 are separately added, then it
is merely distilled water.
2.
[Ni(en)3]2+ has higher crystal field splitting energy than [Ni(H2O)6]2+.
3. When solid Ca(OH)2 was dissolved in 0.10 M CaCl2, the solubility product constant was lowered.
4. [Co(NO2)6]3- is an orange octahedral complex with an IUPAC name of hexanitrocobalt(III).
5. In the solubility equilibrium experiment, a saturated solution of Ca(OH)2 maintained in ice bath
holds more dissolved calcium than at room temperature.
6. In the hydrogen peroxide system, the detergent is used to detect the formation of H2O
molecules.
7. In the selective precipitation experiment, the silver precipitate with lower Ksp dissolves more
easily upon the addition of NH3.
8. Frost-Ebsworth diagrams can predict both disproportionation and comproportionation
reactions.
9. [Fe(H2O)5SCN]2+, [Ni(en)3]2+ and [Zn(OH)4]2- are octahedral complexes.
10. Reversible thermochromism is observed when [(CH3CH2)2NH2]2[CuC14] is converted back to
CuCl2 and (CH3CH2)2NH2.HCI.

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