Which of the statements is not true?

(a) On passing H2S through acidified K2Cr2O7 solution, a milky colour is observed

(b) Na2Cr2O7 is preferred over K2Cr2O7 in volumteric analysis

(c) K2Cr2O7 solution in acidic medium is orange

(d) K2Cr2O7 solution becomes yellow on increasing the pH beyond 7

Concept Videos :-

#3 | NaOH (Caustic Soda)
#4 | Na2CO3 (Sodium Carbonate), Gypsum & POP

Concept Questions :-

Some Important Compounds of Na
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