the four given a, b, c and d hav ph 6,9,12 and 7 respectively (a) which of the solution has the minimum hydrogen ion concentration? (b) which colour will appear if we add few drops of phenolphthalein indicator in all the four solutions? (c) distilled water does not conduct electricity but if we add few drops of an acid in it conducts electricity. why?
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A pH value less then 7 indicates an acidic solution, while greater than 7 indicates a basic solution. Therefore, the solution with pH=6 is acidic and has more hydrogen ion concentration than the solution of pH=8 which is basic.
Solution A with pH=6 is acidic in nature as it is less than 7 while B is basic with pH=8. The hydrogen ion concentration is more for acidic solution A than the solution B which is basic in nature. A is an acid and B is a base.
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