Chemical Principles Involved in the Qualitative Salt Analysis - Cations and Anions NEET Questions

Organic Chemistry - Principles of Practical Chemistry

Chemical Principles Involved in the Qualitative Salt Analysis - Cations and Anions MCQ Questions


1.
Which of the following is used to confirm the presence of Cl⁻ ion?
A.
Silver nitrate
B.
Barium chloride
C.
Ammonium molybdate
D.
Potassium chromate
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ANSWER :
A. Silver nitrate
2.
Which gas is evolved when sulphide ion reacts with dilute HCl?
A.
H₂S
B.
SO₂
C.
HCl
D.
Cl₂
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ANSWER :
A. H₂S
3.
The confirmatory test for Ba²⁺ ion involves formation of:
A.
Yellow ppt with KI
B.
White ppt with H₂SO₄
C.
Blue color with K₄[Fe(CN)₆]
D.
Red ppt with Cu
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ANSWER :
A. Yellow ppt with KI
4.
Which reagent is used to detect nitrate ion?

NEET - 2018

A.
BaCl₂
B.
Aqua regia
C.
FeSO₄ and H₂SO₄
D.
NaOH
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ANSWER :
C. FeSO₄ and H₂SO₄
5.
Which of the following forms a blood-red complex with thiocyanate?
A.
Cu²⁺
B.
Fe³⁺
C.
Co²⁺
D.
Mn²⁺
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ANSWER :
B. Fe³⁺
6.
Which cation gives a deep blue complex with ammonia?
A.
Ca²⁺
B.
Cu²⁺
C.
Fe²⁺
D.
Pb²⁺
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ANSWER :
B. Cu²⁺