for-the-coordination-compound-nien2so4i-provide-the-name-of-the-coordination-com

Question

For the coordination compound [Ni(en)₂]SO₄:

i. Provide the name of the coordination compound.

ii. Identify the oxidation number of Ni.

iii. Sketch its crystal field energy-level diagram.

iv. Classify the complex as either high-spin or low-spin.

v. Identify the number of unpaired electrons, if any.

Accepted Answer

i. +2

ii. bis(ethylenediamine)nickel(II) sulfate

iii.

Crystal field energy-level diagram for a low-spin complex with 0 unpaired electrons.

iv. low-spin complex

v. 0 unpaired electrons

Answer

i. 0

ii. di(ethylenediamine)nickelate(II) sulfate

iii.

Crystal field energy-level diagram for a high-spin complex with 2 unpaired electrons.

iv. high-spin complex

v. 2 unpaired electrons

Answer

i. +2

ii. bis(ethylenediamine)nickel(II) sulfate

iii.

Crystal field energy-level diagram for a high-spin complex with 0 unpaired electrons.

iv. high-spin complex

v. 0 unpaired electrons

Answer

i. 0

ii. bis(ethylenediamine)nickelate(II) sulfate

iii.

Crystal field energy-level diagram for a low-spin complex with 0 unpaired electrons.

iv. low-spin complex

v. 0 unpaired electrons

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For the coordination compound [Ni(en)2]SO4:i. Provide the name of the coordination compound.ii. Identify the oxidation number of Ni.iii. Sketch its crystal field energy-level diagram.iv. Classify the complex as either high-spin or low-spin.v. Identify the number of unpaired electrons, if any.