Q23.91P Give the number of d electrons (... [FREE SOLUTION]

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Chapter 23: Q23.91P (page 1061)

Give the number of d electrons (n of dⁿ) for the central metal ion in
(a) $[Cr {(H_{2} O)}_{6}] {({ClO}_{3})}_{2}$ ; (b) ${[Mn {(CN)}_{6}]}^{2 -}$ ; (c) $[Ru (NO) {(en)}_{2} Cl] Br$ .

Short Answer

Expert verified

4 d electrons
3 d electrons
5 d electrons

Step by step solution

Definition of the electronic configuration

Theelectron configuration of an element describes how electrons are distributed in its atomic orbitals.

Explanation

In Electron configuration of $Cr : 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{5} 4 s^{1} lnCr {(H_{2} O)}_{62}$ , the oxidation state of Cr is $+ 2 ({Cr}^{2 +})$ , so we have to remove 1 electron from the 4 s subshell and 1 electron from the 3d subshell, which leaves ${Cr}^{2 +}$ with 4, 3d electrons.
In Electron configuration of Mn: $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{5} 4 s^{2} \ln {[Mn (CN)_{6}]}^{2 -}$ , the oxidation state of Mn is $+ 4 ({Mn}^{4 +})$ , so we have to remove 2 electrons from the 4s subshell and another 2 electrons from the 3d subshell, which leaves ${Mn}^{4 +}$ with 3d electrons.
In Electron configuration of Ru: $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 3 d^{10} 4 s^{2} 4 p^{6} 4 d^{7} 5 s^{1} \ln [Ru (NO) {(en)}_{2} Cl] Br$ the oxidation state of Ru is $+ 3 ({Ru}^{3 +})$ , so we have to remove 1 electron from the 5 s subshell and another 2 electrons from the 4 d subshell, which leaves $({Ru}^{3 +})$ with 5, 4d electrons.

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91影视

Give the number of d electrons (n of dⁿ) for the central metal ion in
(a) $[Cr {(H_{2} O)}_{6}] {({ClO}_{3})}_{2}$ ; (b) ${[Mn {(CN)}_{6}]}^{2 -}$ ; (c) $[Ru (NO) {(en)}_{2} Cl] Br$ .

Short Answer

Step by step solution

Definition of the electronic configuration

Explanation

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91影视

Give the number of d electrons (n of dn) for the central metal ion in(a) [CrH2O6](ClO3)2; (b) [Mn(CN)6]2-; (c) [Ru(NO)(en)2Cl]Br.

Short Answer

Step by step solution

Definition of the electronic configuration

Explanation

One App. One Place for Learning.

Most popular questions from this chapter

Recommended explanations on Chemistry Textbooks

Making Measurements

Inorganic Chemistry

Chemical Reactions

Organic Chemistry

Physical Chemistry

Nuclear Chemistry

Study anywhere. Anytime. Across all devices.

Give the number of d electrons (n of dⁿ) for the central metal ion in
(a) $[Cr {(H_{2} O)}_{6}] {({ClO}_{3})}_{2}$ ; (b) ${[Mn {(CN)}_{6}]}^{2 -}$ ; (c) $[Ru (NO) {(en)}_{2} Cl] Br$ .