Being part of a coordination compound can change the behavior of a ligand. Ammonia is a gas a room temperatureand pressure, but in coordination compounds, it is strongly bonded to the metal ion. As a result, the compounds do11. FData AnDeterminot have the characteristic ammonia odor.In the preparation of hexaamminenickel(II) chloride, the six NH3 molecules displace the six H20 ligand malnin [Ni(H2O)6]Cl2:For Y[Ni(H,O),]Cl2 (aq) + 6 NH3 (aq) → [Ni(NH;)6]Cl, (aq) + 6 H,O ()Eq. 11-1lavendergreenThe coordination compound is cooled and precipitated by the addition of 95% ethanol; this lowers the polarity of thesolvent mixture, causing the lavender salt to be less soluble.

Question
Asked Feb 6, 2020
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What is the percent yeild of nickel(II) coordination?

  • [Ni(H2O)6]Cl2 used = 5.736 g
  • [Ni(NH3)6]Cl2 produced = 5.410 g

 

Being part of a coordination compound can change the behavior of a ligand. Ammonia is a gas a room temperature
and pressure, but in coordination compounds, it is strongly bonded to the metal ion. As a result, the compounds do
11. F
Data An
Determi
not have the characteristic ammonia odor.
In the preparation of hexaamminenickel(II) chloride, the six NH3 molecules displace the six H20 ligand maln
in [Ni(H2O)6]Cl2:
For Y
[Ni(H,O),]Cl2 (aq) + 6 NH3 (aq) → [Ni(NH;)6]Cl, (aq) + 6 H,O ()
Eq. 11-1
lavender
green
The coordination compound is cooled and precipitated by the addition of 95% ethanol; this lowers the polarity of the
solvent mixture, causing the lavender salt to be less soluble.
help_outline

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Being part of a coordination compound can change the behavior of a ligand. Ammonia is a gas a room temperature and pressure, but in coordination compounds, it is strongly bonded to the metal ion. As a result, the compounds do 11. F Data An Determi not have the characteristic ammonia odor. In the preparation of hexaamminenickel(II) chloride, the six NH3 molecules displace the six H20 ligand maln in [Ni(H2O)6]Cl2: For Y [Ni(H,O),]Cl2 (aq) + 6 NH3 (aq) → [Ni(NH;)6]Cl, (aq) + 6 H,O () Eq. 11-1 lavender green The coordination compound is cooled and precipitated by the addition of 95% ethanol; this lowers the polarity of the solvent mixture, causing the lavender salt to be less soluble.

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Expert Answer

Step 1

Given:

Mass of [Ni (H2O)6]Cl2 =5.736 g

Mass of [Ni (NH3)6]Cl2 =5.410 g

Step 2

To determine the percent yield of nickel (II) coordination:

It is given as

Chemistry homework question answer, step 2, image 1

Step 3

First we have to calculate the moles of [Ni (H2O)6]Cl2 ,

Chemistry homework question answer, step 3, image 1

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