Question 1

Which of the following transition metals has the highest density?

Accepted Answer

Os

Question 2

Which of the following ions has a paramagnetic electron configuration?

Accepted Answer

$$\mathrm{Fe$$^{3+}$$}$$

Question 3

What is the condensed electron configuration for $$\mathrm{Ru} ($$Ruthenium)?

Accepted Answer

$$[Kr]\ 5s^1$\ 4d^7$

Question 4

Which of the following is a neutral ligand?

Accepted Answer

Ammonia

Question 5

What is the overall charge of the adduct when aluminum ion combines with 2 bromides and 1 chloride?

Accepted Answer

$$-2$$

Question 6

Which of the following ligands is bidentate?

Accepted Answer

Ethylene diamine ($$en)$$

Question 7

What is the coordination number of the complex ion $$[Cr(H_2O)_6]^{3+}$$?

Accepted Answer

$$6$$

Question 8

Which geometry is expected for the complex ion $$[Ni(CN)_4]^{2-}$$?

Accepted Answer

Square planar

Question 9

What is the systematic name for $$K_2$$[Ni(CN)_4]$$?

Accepted Answer

Potassium tetracyanonickelate(II)

Question 10

Which of the following complexes cannot have geometric isomers?

Accepted Answer

$$[Pt(NH_3$)_4]^{2+}$$

Question 11

An electron in which of the following orbitals is most likely to be found along the x and y axes?

Accepted Answer

$$d_{xy}$$

Question 12

In an octahedral complex, which set of d orbitals will interact the most with ligands located on the axes?

Accepted Answer

$$d_{z^2$}, d_{x^2$-y^2$$}$

Question 13

Which of the following complexes will have the smallest energy gap between the e set and the t2 set of orbitals in a tetrahedral field?

Accepted Answer

$$[$$FeCl_4$$]^{2-}$$

Question 14

Which one of these complexes shows the most complex splitting pattern energy in a square planar field?

Accepted Answer

$$[Pt(NH_3$)_4]^{2+}$$

Question 15

Which of the following complexes has the largest crystal field splitting energy ($$\Delta$$)?

Accepted Answer

$$[Fe(CN)_6]^{3-}$$

Question 16

For the complex ion $$[Co(NH_3$)_6]^{3+}$$, what is the spin and number of unpaired electrons?

Accepted Answer

Low spin, 0 unpaired electrons

Question 17

Which of the following complexes is diamagnetic in nature?

Accepted Answer

$$[Fe(CN)_6]^{4-}$$

Question 18

Which of the following is a chelating agent?

Accepted Answer

EDTA

Question 19

What is the formula for tris(ethylenediamine)chromium(III) chloride?

Accepted Answer

$$[Cr(en)_3]Cl_3$

Question 20

Which type of isomerism is observed when the connectivity between the ligand and the metal changes, but the molecular formula remains the same?

Accepted Answer

Linkage isomerism

Transition Metals and Coordination Compounds: Study Guide

Study Guide - Practice Questions