Filters
Question type

Study Flashcards

In which of the following complexes does the transition metal have a d8 configuration?


A) Cu(H2O) 62+
B) Fe(CN) 63-
C) Ni(CO) 4
D) PtCl42-
E) Zn(NH3) 42+

F) A) and D)
G) A) and B)

Correct Answer

verifed

verified

What is the formula for the pentaamminehydroxochromium(II) ion?


A) [Cr(NH3) 5(OH) 5]2+
B) [Cr(NH3) 5(OH) 5]3-
C) [Cr(NH3) 5(OH) ]2+
D) [Cr(NH3) 5(OH) ]+
E) [Cr(NH3) (OH) 5]3-

F) A) and E)
G) C) and D)

Correct Answer

verifed

verified

What bond hybridization is associated with octahedral complexes?


A) d2sp3
B) sp3
C) sp
D) dsp3
E) dsp2

F) D) and E)
G) B) and E)

Correct Answer

verifed

verified

Which of the following statements concerning crystal field theory is incorrect?


A) In an isolated metal ion the d-orbitals have identical energies.
B) In low spin octahedral complexes the electrons are concentrated in the dxy,dxz,and dyz orbitals.
C) High spin complexes have the minimum of unpaired electrons.
D) Strong bonding ligands favor a larger crystal field splitting (Ī”) than weak bonding ligands.
E) Low spin complexes are favored when the electron pairing energy (P) is less than the crystal field splitting (Ī”) .

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

According to valence bond theory,what hybrid orbitals are occupied by the ligands in the complex [Mn(H2O) 6]2+?


A) dsp3
B) sp3
C) d2sp3
D) sp2
E) dsp2

F) A) and C)
G) None of the above

Correct Answer

verifed

verified

Which of the following salts would not be expected to be colored in aqueous solution?


A) CoCl2
B) FeCl2
C) CuCl2
D) CuCl
E) CrCl3

F) B) and C)
G) A) and E)

Correct Answer

verifed

verified

A property that many representative nonmetals and many transition elements share is that they both have


A) color in many compounds.
B) many paramagnetic compounds.
C) high electronegativities.
D) many compounds that observe the octet rule.
E) many oxidation states.

F) A) and E)
G) B) and E)

Correct Answer

verifed

verified

Which of the following salts would not be expected to be colored in aqueous solution?


A) NiCl2
B) CuCl2
C) CrCl2
D) TiCl3
E) CdCl2

F) A) and D)
G) All of the above

Correct Answer

verifed

verified

What is the maximum oxidation state for niobium,Nb?


A) 4
B) 3
C) 2
D) 6
E) 5

F) B) and C)
G) None of the above

Correct Answer

verifed

verified

The complex ion NiCl42- is tetrahedral.The number of unpaired electrons in the complex is


A) 2.
B) 3.
C) 0.
D) 4.
E) 1.

F) A) and B)
G) A) and C)

Correct Answer

verifed

verified

In which compound is cobalt in the highest oxidation state?


A) Co2(CO) 8
B) [Co(NH3) 6]Cl2
C) [Co(NH3) 4Cl2]Cl
D) Na2[CoCl4]
E) K4[CoF6]

F) A) and C)
G) B) and C)

Correct Answer

verifed

verified

What is the coordination number of cobalt in [Co(en) 2Cl2]Cl? ​ En = What is the coordination number of cobalt in [Co(en) <sub>2</sub>Cl<sub>2</sub>]Cl? ​ En =   A) 6 B) 3 C) 4 D) 5 E) 7


A) 6
B) 3
C) 4
D) 5
E) 7

F) A) and D)
G) D) and E)

Correct Answer

verifed

verified

Which of the following first-row transition elements is not able to have a +3 oxidation state?


A) Sc
B) Cr
C) V
D) Zn
E) Fe

F) None of the above
G) C) and D)

Correct Answer

verifed

verified

Ag+ forms many complexes with a coordination number of 2.Some of these are [Ag(NH3) 2]+,[Ag(CN) 2]-,and [Ag(S2O3) 2]3-.Which of the following statements is true?


A) The hybridization of Ag+ is sp2.
B) In these complexes,Ag+ is a Lewis base.
C) In these complexes,the ligands are monodentate.
D) The hybridization of Ag+ is dsp.
E) The Ag+ complexes are good reducing agents.

F) B) and C)
G) A) and E)

Correct Answer

verifed

verified

Which complex is capable of forming geometric isomers?


A) K3[FeCl6]
B) [Co(NH3) 5Br]Br2
C) [Co(NH3) 6]Br3
D) [Pd(NH3) 2Br2]
E) [Pt(NH3) 4]Br2

F) None of the above
G) A) and E)

Correct Answer

verifed

verified

Showing 61 - 75 of 75

Related Exams

Show Answer