AIPMT 2012 Physics and Chemistry Paper

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Question : 88 of 100

Marks: +1, -0

Which of the statements is not true ?

On passing H2S through acidified K2Cr2O7 solution, a milky colour is observed
Na2Cr2O7 is preferred over K2Cr2O7 in volumetric analysis
K2Cr2O7 solution in acidic medium is orange
K2Cr2O7 solution becomes yellow on increasing the pH beyond 7

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