Answer Q52, 53, 54 showing detailly all explanations Transcribed Image Text: TYPE TWO QUESTIONS Questions (40 – 45) DIRECTION: Select the

Excerpt
Select from A – D the type of isomerism exbited by the following complexes. 54. Co(NH) BrSo, 55. CrCi, 6H O 56. [Co(NH), (NO.)CI, 57 (Cr(NH),ICo(CN) Questions 58 – 61 relates to the following complexes. A) PICL(NH,), B) [Ag(NH,) C) [CoCi (NH,)J D) [Cr(C,O) 274

Answer Q52, 53, 54 showing detailly all explanations Transcribed Image Text: TYPE TWO QUESTIONS
Questions (40 – 45)
DIRECTION: Select the letter of the INCORRECT
response.
40 Sc and Zn
A) are d-block clements
B) are not transition elements
C) can form at least a complex ion
D) formis ions with a partially filledd- subshell.
Questions 46 – 78
DIRECTIONS: Each group of questions bef
consists of four lettered headings fallowed by
a list of numbered questions. For ea
numbered question, select the one heading
wch is most closely related to it. En
heading may be used once, more than once
or not at all.
41. The ethanedioate ion
A) is a polydentate ligand
B) is a bidentate ligand
C) has a coordination number of two
D) is not a chelating agent.
Questions 46 – 50 concem the following figande
A) ethanedioate
B) Ammonia
C) ethane-1, 2- diamine
D) cyario
42 For transition metals to form coloured
compounds or ions
A) the five d-orbitals should be degenerate 46 a neutral monodentate ligand
B) An unpaired electron should be present 47. an anionic bidentate ligand
in the five d-orbital.
C) electrons should be able to jump from
one set of d-orbital to another.
D) the frequency of light emitted should be
in the visible region of the
electromagnetic spectrum.
Select from A -D
48. an anionic monodentate ligand
49. a neutral bidentate ligand
50. Wch of the monodentate ligands wll
displace the other from its aqueous complex
ion?
43. In naming complex anions.
A) the name of the ligand comes first
B) the suffix-ate follows the name of the
Quesitons 51 -53 concern the following
transition metals and ions
A) Zn* ion
B) Chromium atom
C) Fe” ion
D) Titanium atom.
metal.
C) the names of ligands came in any order
if two or more of different types are
Wch of them is
51. Very strongly attracted to a magnetic field?
52. Diamagnetic?
53. Very weakly attracted to a magnetic fleld?
present.
DJ the metal takes up the latin name.
44. 1.2-diaminoethane
A) is an anionic ligand
B) is a bidendate ligand.
C) can form chelate complexes
D) form complexes thet show optical
Questions 54-57
The following are scme structural isomerisms
exbited by complex ions.
A) Linkage isomerism
B) Coordination isomerism
C) Hydrate isomerism
D) lonisation isomerism
isomerism.
45. Hexaaqua chormium(II) chloride
A) has four isomers
B) has three isomers that differ in electrical
conductivity
C) produces three isomers in solution each
having a different colour.
D) can exbit optical isomerism.
Select from A – D the type of isomerism exbited
by the following complexes.
54. Co(NH) BrSo,
55. CrCi, 6H O
56. [Co(NH), (NO.)CI,
57 (Cr(NH),ICo(CN)
Questions 58 – 61 relates to the following
complexes.
A) PICL(NH,),
B) [Ag(NH,)
C) [CoCi (NH,)J
D) [Cr(C,O)
274

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