Coordination Compounds Test

Question 1
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Direction (Q. Nos. 1 - 5) This section contains 5 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONE or MORE THAN ONE are correct.

Q.

Which of the following complexes have correct name?

A
K [Pt(NH₃ )CI₅ ] = potassiumamminepentachloridoplatinate (IV)

B
[Ag(CN)₂ ]^- = dicyanidoargentate(l) ion

C
K₃ [Cr(C₂ O₄ )₃ ] = tripotassium trioxalatochromate(lll)

D
Na₂ [Ni(EDTA)] = sodium ethylenediaminetetraacetatonickel(ll)

Question 2
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Which is/are the correctly named?

A
acac = Acetylacetonato, chelating .uninegative

B
bipy = 2 , 2 'bipyridine , bidentate, neutral

C
gly = glycinato, bidentate, uninegative

D
All are correct

Question 3
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The correct name of ligand(s) in IUPAC name is/are

A
S₂ O₃^2-= Thiosulphato

B
C₅ H₅ N = pyridyl

C
(C₅ H₅ )^- = cyclopentadienyl

D
C₂ O₄^2- = acetato

Question 4
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The ionisation isomer of [Cr(H₂ O)₄ Cl(NO₂ )Cl] is

A
[Cr(H₂ O)₄ (O₂ N)]Cl₂

B
[Cr(H₂ O)₄ Cl₂ ](NO₂ )

C
[Cr(H₂ O)₄ Cl(ONO)Cl

D
[Cr(H₂ O)₄ Cl₂ (NO₂ )] H₂ O

Question 5
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The ligand(s) which gives chelate complexes is/are

A
SCI^-

B

C
EDTA

D

Question 6
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Comprehension Type

Direction (Q. Nos. 6 and 7) This section contains a paragraph, describing theory, experiments, data, etc. Two questions have been related to the paragraph have been given. Each question has only one correct answer among the four given options (a), (b), (c) and (d).

Passage

In naming complexes, cation is named first followed by anion. Non-ionic or neutral complexes are given a one word name. The cationic and neutral complex ions are named by writing ‘the number and name of the ligands followed by the name of the central metal ion with its oxidation number in roman numerals within the parenthesis. If the complex is anionic, name of the metals ends with ‘ate ’. When the complex contain two or more metal atoms linked with the help of bridging ligand then each bridging ligand is started with μ.

Q.

Name of [CoBr(NH₃ )₄ NO₂ ] is

A
tetramminebromonitrocobalt (II)

B
bromotetramminenitritocobalt(lll)

C
tetramminebromonitrocobalt (III)

D
tetramminebromine nitritocobalt (II)

Question 7
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In naming complexes, cation is named first followed by anion. Non-ionic or neutral complexes are given a one word name. The cationic and neutral complex ions are named by writing ‘the number and name of the ligands followed by the name of the central metal ion with its oxidation number in roman numerals within the parenthesis. If the complex is anionic, name of the metals ends with ‘ate ’. When the complex contain two or more metal atoms linked with the help of bridging ligand then each bridging ligand is started with μ.

Q.

The IUPAC name of [Ni(NH₃ )₄ ] [NiCI₄ ] is

A
tetrachloronickel (II) tetramminenickel (II)

B
tetramminenickel (II) tetrachloronickel (II)

C
tetramminenickel (II) tetrachloronickelate (II)

D
tetrachloronickel (II) tetramminenickelate (0)

Question 8
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Matching List Type

Direction (Q. Nos. 8 and 9) Choices for the correct combination of elements from Column I and Column II are given as options (a), (b), (c) and (d), out of which one is correct.

Q.

Match the Column I with Column II and mark the correct option from the codes given below.

A
a

B
b

C
c

D
d

Question 9
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Match the column I with column II and mark the correct option from the codes given below.

A
p, rq, sp, rq

B
pq, rsp

C
q, ssp, sq, s

D
q, sp, rpr, s

Question 10
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One Integer Value Correct Type

Direction : This section contains 5 questions. When worked out will result in an integer from 0 to 9 (both inclusive).

Q. Ethylenediamminetetraacetate ion is a polydentate ligand and negatively charged. The magnitude of negative charge is

A
4

B
3

C
2

D
1

Question 11
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The oxidation state of the central metai in the complex ion [Fe(EDTA)]^- .

A
1

B
2

C
3

D
4

Question 12
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The complex potassium dicyanodioxalatonickelate (II) in solution produce....... ions.

A
1

B
2

C
3

D
5

Question 13
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Number of EDTA molecules required to form an octahedral complex.

A
4

B
3

C
1

D
2

Question 14
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IUPAC name of [Pt(NH₃ )₂ Cl(NO₂ )] is

A
Platinum diamminechloronitrite

B
Chloronitrito-N-ammineplatinum (II)

C
Diamminechloridonitrito-N-platinum (II)

D
Diamminechloronitrito-N-plantinate (II)

Question 15
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Statement Type

Direction : This section is based on Statement I and Statement II. Select the correct answer from the codes given below.

Q.

Statement l : IUPAC name of the complex [(NH₃ )₅ —Cr —OH —Cr (NH₃ )₅ ]CI₅ is pentammine chromium-μ-hydroxopentammine chromium (III) chloride.

Statement II : IUPAC name of the complex [Ni(dmg)₂ ] is bis (dimethylglyoximato) nickel (III).

A
Both Statement I and Statement II are correct and Statement II is the correct explanation of Statement I

B
Both Statement I and Statement II are correct but Statement II is not the correct explanation of Statement I

C
Statement I is correct but Statement II is incorrect

D
Statement II is correct but Statement I is incorrect

Submit Test

Coordination Co...

Question 1

K [Pt(NH3 )CI5 ] = potassiumamminepentachloridoplatinate (IV)

[Ag(CN)2 ]- = dicyanidoargentate(l) ion

K3 [Cr(C2 O4 )3 ] = tripotassium trioxalatochromate(lll)

Na2 [Ni(EDTA)] = sodium ethylenediaminetetraacetatonickel(ll)

Question 2

acac = Acetylacetonato, chelating .uninegative

bipy = 2 , 2 'bipyridine , bidentate, neutral

gly = glycinato, bidentate, uninegative

All are correct

Question 3

S2 O3 2- = Thiosulphato

C5 H5 N = pyridyl

(C5 H5 )- = cyclopentadienyl

C2 O42- = acetato

Question 4

[Cr(H2 O)4 (O2 N)]Cl2

[Cr(H2 O)4 Cl2 ](NO2 )

[Cr(H2 O)4 Cl(ONO)Cl

[Cr(H2 O)4 Cl2 (NO2 )] H2 O

Question 5

SCI-

EDTA

Question 6

tetramminebromonitrocobalt (II)

bromotetramminenitritocobalt(lll)

tetramminebromonitrocobalt (III)

tetramminebromine nitritocobalt (II)

Question 7

tetrachloronickel (II) tetramminenickel (II)

tetramminenickel (II) tetrachloronickel (II)

tetramminenickel (II) tetrachloronickelate (II)

tetrachloronickel (II) tetramminenickelate (0)

Question 8

a

b

c

d

Question 9

p, rq, sp, rq

pq, rsp

q, ssp, sq, s

q, sp, rpr, s

Question 10

4

3

2

1

Question 11

1

2

3

4

Question 12

1

2

3

5

Question 13

4

3

1

2

Question 14

Platinum diamminechloronitrite

Chloronitrito-N-ammineplatinum (II)

Diamminechloridonitrito-N-platinum (II)

Diamminechloronitrito-N-plantinate (II)

Question 15

Both Statement I and Statement II are correct and Statement II is the correct explanation of Statement I

Both Statement I and Statement II are correct but Statement II is not the correct explanation of Statement I

Statement I is correct but Statement II is incorrect

Statement II is correct but Statement I is incorrect

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Question Analysis

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K [Pt(NH₃ )CI₅ ] = potassiumamminepentachloridoplatinate (IV)

[Ag(CN)₂ ]^- = dicyanidoargentate(l) ion

K₃ [Cr(C₂ O₄ )₃ ] = tripotassium trioxalatochromate(lll)

Na₂ [Ni(EDTA)] = sodium ethylenediaminetetraacetatonickel(ll)

S₂ O₃^2-= Thiosulphato

C₅ H₅ N = pyridyl

(C₅ H₅ )^- = cyclopentadienyl

C₂ O₄^2- = acetato

[Cr(H₂ O)₄ (O₂ N)]Cl₂

[Cr(H₂ O)₄ Cl₂ ](NO₂ )

[Cr(H₂ O)₄ Cl(ONO)Cl

[Cr(H₂ O)₄ Cl₂ (NO₂ )] H₂ O

SCI^-