Inorganic Compounds, Mohr’s Salt, Potash Alum NEET Questions

Organic Chemistry - Principles of Practical Chemistry

Inorganic Compounds, Mohr’s Salt, Potash Alum MCQ Questions


7.
Bromide salt with conc. H₂SO₄ gives:
A.
Greenish yellow Cl₂
B.
Reddish brown vapours of Br₂
C.
Violet vapours of I₂
D.
Colourless HBr only
😑 View Answer Rough Work Error
ANSWER :
B. Reddish brown vapours of Br₂
8.
Strong heating of a hydrated salt that turns blue colour to white indicates loss of:
A.
Cl₂
B.
SO₂
C.
NO₂
D.
Water of crystallization (most likely CuSO₄·5H₂O → CuSO₄)
😑 View Answer Rough Work Error
ANSWER :
D. Water of crystallization (most likely CuSO₄·5H₂O → CuSO₄)
9.
Potash alum is commonly used for:
A.
Purification of water and as a styptic
B.
As a fertilizer
C.
As a bleaching agent
D.
As a fuel
😑 View Answer Rough Work Error
ANSWER :
A. Purification of water and as a styptic
10.
Acetate ion is identified by:
A.
Black ppt with PbS
B.
White ppt with BaCl₂
C.
Smell of vinegar with dilute H₂SO₄ + heating
D.
Yellow ppt with KI
😑 View Answer Rough Work Error
ANSWER :
C. Smell of vinegar with dilute H₂SO₄ + heating
11.
Which one is true about the n-factor of Mohr's salt in oxidation reactions with KMnO₄?
A.
n = 5
B.
n = 2
C.
n = 3
D.
n = 1 (one electron lost per Fe²⁺)
😑 View Answer Rough Work Error
ANSWER :
D. n = 1 (one electron lost per Fe²⁺)
12.
Which is the gas evolved when ammonium dichromate is heated (Volcano experiment)?
A.
Cl₂
B.
NH₃
C.
N₂
D.
O₂
😑 View Answer Rough Work Error
ANSWER :
C. N₂