Name the following complex ions. a. Ru(NH3)5 Cl^2+ c. Mn(NH2 CH2 CH2 NH2)3^2+ b. Fe(CN)6^4- d. C

Name the following complex ions. a. Ru(NH3)5 Cl^2+ c. Mn(NH2...

Name the following complex ions. a. $\mathrm{Ru}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}^{2+}$ c. $\mathrm{Mn}\left(\mathrm{NH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{NH}_{2}\right)_{3}^{2+}$ b. $\mathrm{Fe}(\mathrm{CN})_{6}^{4-}$ d. $\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{NO}_{2}^{2+}$

Name the following complex ions.
a. $\mathrm{Ru}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{Cl}^{2+}$
c. $\mathrm{Mn}\left(\mathrm{NH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{NH}_{2}\right)_{3}^{2+}$
b. $\mathrm{Fe}(\mathrm{CN})_{6}^{4-}$
d. $\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{5} \mathrm{NO}_{2}^{2+}$

Key Concepts

Coordination Complexes

Coordination complexes are compounds that consist of a central metal atom or ion surrounded by a set of molecules or anions called ligands. These complexes can have various geometries and are fundamental in inorganic chemistry due to their diverse bonding and electronic properties. The central metal atom's characteristics, including its oxidation state and electron configuration, strongly influence the behavior of the complex.

Coordination Compound Nomenclature

The nomenclature of coordination compounds follows specific IUPAC rules that include naming the ligands in alphabetical order before the metal center, using appropriate prefixes to denote the number of each type of ligand, and specifying the oxidation state of the central metal in Roman numerals within parentheses. This systematic approach helps in unambiguously identifying complex ions and facilitates communication in the chemical community.

Oxidation State Determination

Determining the oxidation state of the central metal in a coordination complex is crucial for naming and understanding its chemical properties. It involves accounting for the charges associated with each ligand and the overall charge of the complex, thus allowing the metal's oxidation number to be calculated and indicated within the compound's name.

Ambidentate Ligands

Ambidentate ligands are those that can attach to the central metal through different atoms. The naming of such ligands depends on the atom with which the ligand is coordinated; for example, a nitrite ion can bind through nitrogen (resulting in a nitro ligand) or through oxygen (resulting in a nitrito ligand). Recognizing these differences and correctly naming the ligand is important for accurately describing the structure of coordination compounds.

Transcript

00:01 So we have to name the given coordination complexes and first of all we have given ru nh3 whole 5 cl2 positive.

00:14 So here first of all we will name the license, okay, we will start naming from this license so we will maintain the alphabetic order.

00:28 We have two liens here we have ammonia and this amine lysant okay amine lyzant and chloro lyzant so alphabetically a comes first so this will be pantomene okay there are five amine lysance and then we have c l so this is chloro now i have this metal ruthenium so ruthenium okay metal will be written in the last and now i will consider the oxidation state so that is written in the roman number so for this amine lyzant so i have this is neutral lyzant okay so now for cl this has minus 1 charge so overall we will have plus 3 oxidation state and this will be written as third okay so this will be the name now and this is to be noted that we will leave no space between the written name.

01:40 We have fc, cn's whole 6, 4 negative.

01:47 So first of all, we will calculate the oxidation state.

01:50 If i consider the oxidation state for fcbx, then this will be x plus for cn.

01:57 We have minus 1 charts.

01:58 So this will be minus 1 multiplied by 6 is equals to minus 4.

02:02 Overall charge is minus 4.

02:03 So on solving, this will be x is equals to plus 2.

02:08 Okay, so this is the oxidation state.

02:11 So now i have 6 cn here, okay, 6 cn lies and so it will be written as hexa.

02:21 Okay, for 6 we will write hexa prefix sinido.

02:29 And now if we have overall negative charge, okay, then we add 8 prefix to.

02:37 The metal.