1.

A solution give the following colors with different indicators. Methyl orange – yellow, methyl red – yellow, and bromothymol blue Orange . what is the pH of the solution?

Answer»

(i) The colors in methyl orange indicates that pH > 4.5

(ii) Colors in methyl red indicates that pH > 6.0 and

(iii) colors in bromothymol blue indicates that pH < 6.3.

Therefore, the pH of the solution is between 6.0 to 6.3.



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