2ml of ethanoic acid was taken in each of the three test tubes A, B and C and 2ml, 4ml and 8ml water was added to them, respectively. A clear solution is obtained in:
A
Test tube A only
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B
Test tubes A & B only.
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C
Test tubes B and C only
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D
All the test tubes
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Solution
The correct option is A Test tube A only
Ethanoic acid is also called as acetic acid, which is a weak acid.
When an equal amount of water and acetic acid are added in a test tube, shaken well and kept still for five minutes, we can observe a clear colorless solution. This is due to the dissociation of the hydrogen molecule and the complete miscible nature of the acetic acid and water.