Analytical ChemistryHard
Question
Which of the statements is not true?
Options
A.K2Cr2O7 solution becomes yellow on increasing the pH beyond 7
B.On passing H2S through acidified K2Cr2O7 solution, a milky colour is observed
C.Na2Cr2O7 is preferred over K2Cr2O7 in volumetric analysis
D.K2Cr2O7 solution in acidic medium is orange
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