NEET2026Chemistry-Acids, Bases and Salts
NEET 2026 Chemistry Identification of Anions MCQ Question
Type: MCQ-conceptual-Medium-Class 12
In a test tube containing a salt, a few drops of dilute H₂SO₄ was added, which gave colourless vapours having the smell of vinegar. The vapours turned the blue litmus paper red. Identify the correct anion from the following:
A
Sulphide, S²⁻
B
Sulphate, SO₄²⁻
C
Acetate, CH₃COO⁻
D
Carbonate, CO₃²⁻
Correct Answer
Option C
Detailed Explanation
Salt + dil. H₂SO₄ → CH₃COOH (g) (Acidic in Nature). It turns blue litmus paper red, indicating the presence of acetate ion.
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