Question

If you take some distilled water in a test-tube, add an equal amount of acetic acid to it, shake the test-tube well and leave it undisturbed on the test-tube stand, then after about 5 minutes what would you observe?
(A) There is a layer of water over the layer of acetic acid.
(B) A precipitate is setting at the bottom of the test-tube.
(C) Bubbles of colourless gas are coming out of the test-tube.
(D) There is a clear, colourless transparent solutions in the test-tube. (1)

Answer 1

Answer:

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Answer 2

There is a clear, colourless transparent solution in the test-tube.

Explanation:

Acetic acid, also known as Ethanoic acid is represented by the chemical formula CH3COOH. Acetic acid is a weak acid, so when water is added, it will partially disintegrate into CH3COO- and H+ ions. But the disintegration is very minimal due to the chemical property of acetic acid. Hence when equal amount of distilled water is added to acetic acid, it will probably form a homogenous solution because acetic acid gets dissolved in water. So, a clear colorless transparent solution will be left in the test tube.