Equal lengths of magnesium ribbons are taken in test tubes A and B. Hydrochloric acid (HCl) is added to test-tube A, while acetic acid (CH3COOH) is added to test tube B. In which test tube will the fizzing occur more vigorously?
A
A
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B
B
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C
Both
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D
None
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Solution
The correct option is A A In test-tube, A, fizzing occurs more vigorously. It is because HCl is a stronger acid than acetic acid and therefore, produces H2 gas at a faster rate due to which fizzing occurs.