Question

Помогите пожауйста! Назвать комплексные соли и определить степень окисления комплексообразователя: K4[Fe(CN)6],(NH4)3[RhCl6] .K2[Cu(CN)4];[Cr(H2O)4PO4 .[Cu(NH3)2(SCN)2],[Rh(NH3)3(NО2)3].

Answer 1

k4[fe(cn)6]  гексацианоферрат(III) калия железо С.О. 3+

 

 

 (NH4)3[RhCl6] 

 

 

 K2[Cu(CN)4]; Тетрацианокупарат ( II) калия 

 

 

 [Cr(H2O)4PO4  фосфат тетрааквахрома

 

  [ Cu(NH3)2(SCN)2]  

Answer 2

Complex salts and oxidation states of complexing agents:

1. K4[Fe(CN)6]: - The complex salt K4[Fe(CN)6] is known as potassium hexacyanoferrate(II) or potassium ferrocyanide. - The oxidation state of the central iron atom in this complex is +2. - The complexing agent in this case is the cyanide ion (CN-), which acts as a ligand and forms coordination bonds with the central iron atom. - The cyanide ion has a -1 charge, so the iron atom must have a +2 charge to balance the overall charge of the complex salt.

2. (NH4)3[RhCl6]: - The complex salt (NH4)3[RhCl6] is known as ammonium hexachlororhodate(III) or ammonium rhodium chloride. - The oxidation state of the central rhodium atom in this complex is +3. - The complexing agent in this case is the chloride ion (Cl-), which forms coordination bonds with the central rhodium atom. - The chloride ion has a -1 charge, so the rhodium atom must have a +3 charge to balance the overall charge of the complex salt.

3. K2[Cu(CN)4]: - The complex salt K2[Cu(CN)4] is known as potassium tetracyanocuprate(II) or potassium cuprocyanide. - The oxidation state of the central copper atom in this complex is +2. - The complexing agent in this case is the cyanide ion (CN-), which forms coordination bonds with the central copper atom. - The cyanide ion has a -1 charge, so the copper atom must have a +2 charge to balance the overall charge of the complex salt.

4. [Cr(H2O)4PO4].[Cu(NH3)2(SCN)2]: - The complex salt [Cr(H2O)4PO4].[Cu(NH3)2(SCN)2] consists of two complex ions: the chromium(III) phosphate complex ion [Cr(H2O)4PO4] and the copper(II) thiocyanate complex ion [Cu(NH3)2(SCN)2]. - The oxidation state of the central chromium atom in the [Cr(H2O)4PO4] complex ion is +3. - The complexing agent in this case is the phosphate ion (PO4^3-), which forms coordination bonds with the central chromium atom. - The oxidation state of the central copper atom in the [Cu(NH3)2(SCN)2] complex ion is +2. - The complexing agents in this case are the ammonia ligands (NH3) and the thiocyanate ion (SCN-), which form coordination bonds with the central copper atom.

5. [Rh(NH3)3(NO2)3]: - The complex salt [Rh(NH3)3(NO2)3] consists of a complex ion with rhodium(III) as the central atom. - The oxidation state of the central rhodium atom in this complex is +3. - The complexing agents in this case are the ammonia ligands (NH3) and the nitrite ion (NO2-), which form coordination bonds with the central rhodium atom.

Please note that the oxidation states mentioned above are based on the information available from search results.