Coordination compounds Questions and Answers

Inorganic Chemistry
Coordination compoundsFor the following coordination complex: (Ni(NO₂)₂Br₂)^-2
Give the name
Determine the geometry
Give the coordination number of the central cation
State which type if geometric isomers are present (if none are present, write "none")
![In the series of Werner complexes (after the German-Swiss chemist) [CoX(NH3)5]n* with X = I™, CI', NH3, there is a color variation from purple (1), through pink (CI) to yellow (NH3). Explain this observation.](https://media.kunduz.com/media/sug-question/raw/61174807-1660029789.1545258.jpeg?w=256)
Inorganic Chemistry
Coordination compoundsIn the series of Werner complexes (after the German-Swiss chemist) [CoX(NH3)5]n* with X = I™, CI', NH3, there is a color variation from purple (1), through pink (CI) to yellow (NH3). Explain this observation.

Inorganic Chemistry
Coordination compoundsSelect the correct meaning of the term 'chemiluminesence' from the list below.
1. A chemical reaction where an excited state is formed, releasing energy in the form of a photon of light on relaxation.
2. The release of light by a chemical reaction within a living organism.
3. An excited state is formed by the absorption of electromagnetic radiation, which rapidly relaxes to release energy in the form of a photon of light.
4. An excited state is formed by the absorption of electromagnetic radiation, which slowly relaxes to release energy in the form of a photon of light.

Inorganic Chemistry
Coordination compoundsBalance the following equation in standard form and determine the sum of the coefficients.
LIAIH4(s) + AICI3(s) →AIH3(s) + LiCl(s)
8
9
10
11
12

Inorganic Chemistry
Coordination compoundsCalculate the Normality of a solution that is prepared by dissolving 37 g of Ca(OH)2 in 375 ml solution.

Inorganic Chemistry
Coordination compoundsThe density of a sample of NH3(g) at a pressure of 1.00 atm is 0.870 g/L. What is the root- mean-square speed (in m/s) of the molecules in this sample?

Inorganic Chemistry
Coordination compoundsBy which of the following does a consumer make an irrational choice?
Impulse purchase
Band wagon
Traditional practice

Inorganic Chemistry
Coordination compoundsThe reaction of a monosaccharide to form a disaccharide is an example of which of the
following reactions?
hydrolysis
condensation
oxidation
reduction
addition

Inorganic Chemistry
Coordination compoundsAn unsaturated fatty acid is converted to a saturated fatty acid in the presence of hydrogen (H₂) and a catalyst. Identify the type of reaction.
Hydrolysis
Hydrogenation
Saponification
Esterification
I DON'T KNOW YET

Inorganic Chemistry
Coordination compoundsWhich of the following statements are true of acids and/or bases. Select all that apply.
Bases have a sour taste.
Acids have a sour taste.
Bases generate H+ ions in water.
Acids generate H+ ions in water.
Ammonia is a common acid
An Arrhenius base generates protons in water.

Inorganic Chemistry
Coordination compoundsUsing complete subshell notation, match the each the predicted electron configuration of following atoms.
Si
Tb
Te
Fe
N
a. 1s²2s²2p63s²3p64s²3d¹04p65s²4d105p66s²4f⁹
b. 1s²2s²2p63s²3p²
c. 1s²2s²2p³
d. 1s²2s²2p63s²3p64s²3d¹04p65s²4d105p4
e. 1s²2s²2p63s²3p63d6

Inorganic Chemistry
Coordination compoundsWhen the following skeletal equation is balanced under basic conditions, what are the coefficients of the species shown?
F2 + CI Cl₂ + F-
Water appears in the balanced equation as a(reactant, product, neither) with a coefficient of(Enter 0 for neither.)
Which species is the reducing agent?

Inorganic Chemistry
Coordination compoundsWhen the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown?
I2 + Pb2+ ---> IO3- + Pb
Water appears in the balanced equation as a (reactant, product, neither) with a coefficient of
0 for neither.)
How many electrons are transferred in this reaction?

Inorganic Chemistry
Coordination compoundsDraw the Lewis structure for NF3 in the window below and then answer the question
Do not include overall ion charges or formal charges in your drawing.
What is the electron-pair geometry for N in NF3 ?
What is the the shape (molecular geometry) of NF3?

Inorganic Chemistry
Coordination compoundsA molecule of Co (CN) 3 (CI)3 exists as both a fac- and mer- isomer which both exhibit unique
properties such as color and melting point.
a. Draw the lewis structures for both the mer- and fac-isomers of Co(CN)3(CI)3 and label.
Additionally identify and label if each structure is either achiral or chiral.
b. Identify the point group of each isomer
Fac=
Mer=

Inorganic Chemistry
Coordination compoundsAluminium chloride exists as a dimer, Al2Cl6 in solid state as well as in solution of non-polar solvents such as benzene. When dissolved in water it gives: