The pH of a salt formed from an acid 'X' and a base 'Y' is less than 7. X reacts with BaCl2 to form precipitates of Barium Sulphate. Among the given options, identify X and Y.
A
X: Hydrochloric acid and
Y: Ammonium hydroxide
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B
X: Sulphuric acid and
Y: Barium chloride
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C
X: Nitric acid and
Y: Sodium hydroxide
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D
X: Sulphuric acid and
Y: Ammonium hydroxide
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Solution
The correct option is D X: Sulphuric acid and
Y: Ammonium hydroxide .