Importance of Co-Ordination Compounds (in Qualitative Analysis, Extraction of Metals and in Biological Systems) NEET Questions

Inorganic Chemistry - Coordination Compounds

Importance of Co-Ordination Compounds (in Qualitative Analysis, Extraction of Metals and in Biological Systems) MCQ Questions


1.
Which coordination compound is used in the qualitative analysis to detect the presence of Ni²⁺ ions?
A.
Dimethylglyoxime
B.
EDTA
C.
Cu(NH₃)₄²⁺
D.
Na₂S₂O₃
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ANSWER :
A. Dimethylglyoxime
2.
EDTA is used in complexometric titration because it
A.
Forms coloured complexes
B.
Forms unstable complexes
C.
Forms stable complexes with most metal ions
D.
Is acidic in nature
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ANSWER :
C. Forms stable complexes with most metal ions
3.
The complex used in cyanide process for extraction of gold is
A.
[Ag(CN)₂]⁻
B.
[Au(CN)₂]⁻
C.
[Cu(CN)₂]⁻
D.
[Fe(CN)₆]³⁻
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ANSWER :
B. [Au(CN)₂]⁻
4.
In cyanide process of gold extraction, which complex is formed?

NEET - 2019

A.
[Au(CN)₂]⁻
B.
[Au(NH₃)₂]⁺
C.
[AuCl₄]⁻
D.
[Au(SCN)₄]⁻
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ANSWER :
A. [Au(CN)₂]⁻
5.
In the extraction of silver, complex formation takes place with
A.
CN⁻
B.
Cl⁻
C.
SO₄²⁻
D.
NO₃⁻
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ANSWER :
A. CN⁻
6.
Which complex compound is used to treat metal poisoning in the body?
A.
EDTA
B.
Dimethylglyoxime
C.
K₄[Fe(CN)₆]
D.
[Ag(NH₃)₂]⁺
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ANSWER :
A. EDTA