Analytical ChemistryHard
Question
Which of the statements is not true ?
Options
A.On passing H2S through acidified K2Cr2O7 solution, a milky colour is observed
B.Na2Cr2O7 is preferred K2Cr2O7 over in volumetric analysis
C.K2Cr2O7 solution in acidic medium is orange
D.K2Cr2O7 solution becomes yellow on increasing the pH beyond 7
Solution
Being hygroscopic, sodium dichromate, Na2Cr2O7 cannot be used in volumetric analysis.
All othe given statements are true.
All othe given statements are true.
Create a free account to view solution
View Solution FreeMore Analytical Chemistry Questions
Acidified K2Cr2O7 solution turns green when Na2SO3 is added to it. this is due to the formation of...A black sulphide is formed by the action of H2S on :...The compound used for gravimetric estimation of copper (II) is :...SO2 and CO2 both turn lime water (X) milky, SO2 also turns K2Cr2O7 /H+ (Y) green while O2 is soluble in pyrogallol (Z) t...Which of the following combines with Fe(II) ions to form a brown complex?...