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The pH of a cold drink is 5. What will be its action on blue and red litmus solutions? (b) The pH values of three acids A, B and C having equal molar concentrations are 5.0,2.8 and 3.5 respectively.
Acids, bases and salt
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06/09/2021 12:01 pm
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(a) The pH of a cold drink is 5. What will be its action on blue and red litmus solutions?
(b) The pH values of three acids A, B and C having equal molar concentrations are 5.0,2.8 and 3.5 respectively. Arrange these acids in order of the increasing acid strengths.
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06/09/2021 12:02 pm
(a) The cold drink turns blue litmus red because of its acidic nature. It will have no action on red litmus.
(b) A < C < B. B will have maximum acid strength because pH is inversely proportional to concentration of hydrogen ions in a solution.
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