for-the-coordination-compound-mnennh34br2i-provide-the-name-of-the-compoundii-ca

Question

For the coordination compound [Mn(en)(NH₃)₄]Br₂:

i. Provide the name of the compound.

ii. Calculate the oxidation number of Mn.

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. tetraammineethylenediaminemanganese(II) bromide

iii.

iv. low-spin complex

v. 1 unpaired electron

Answer

i. +3

ii. tetraammineethylenediaminemanganate(II) bromide

iii.

iv. high-spin complex

v. 4 unpaired electrons

Answer

i. +2

ii. tetraammineethylenediaminemanganese(II) bromide

iii.

iv. high-spin complex

v. 4 unpaired electrons

Answer

i. +3

ii. tetraammineethylenediaminemanganate(II) bromide

iv. low-spin complex

v. 1 unpaired electron