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Q: Why is it necessary to acidify iron with h2so4 during redox titration?
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What is the function of sulfuric acid in redox titration?

Sulphuric Acid (H2SO4) is used in the redox titration process because it provides the H(+) ions necessary for the reaction to occur more quickly whilst the sulphate(-) ions barely react during the reaction.


Which indicator is used in titration of naoh and h2so4?

Methyl orange


A 25.00ml sample of h2so4 requires 22.65 ml of the 0.550m naoh for its titration what was the concentration of sulfuric acid?

(25.00ml H2SO4)(H2SO4 M) = (22.65ml NaOH)(0.550M) = 0.4983M H2SO4


What is the colour change in the titration of KOH with H2SO4 using methyl orange as the indicator?

orange


What is formed in the titration of FeCl2 with KMnO4 with H2SO4 present?

FeCl2 + 2KMnO4 --> Fe(MnO4)2 + 2KCl


Is it possible to use HCL instead of h2so4 during kmno4 titration?

marri bhi yahi doubt se bhaI DUR KARAN ALE NE 10 Rs E NAAM


Why h2so4 is necessary in preparation of nitrobenzene?

H2SO4 is needed to first react with HNO3 to give NO2


Why is that when NaOH H2SO4 and phenophtalein in conical flask becomes hot after shaking during titration?

The reaction between NaOH and H2SO4 is highly exothermic, meaning it releases heat. When the solutions are mixed in the conical flask and shaken during titration, this reaction occurs and produces a significant amount of heat. Additionally, the presence of phenolphthalein might contribute to the sensation of heat as it can change color when exposed to heat or pH changes, indicating the progress of the reaction.


What would have happened if sulfuric acid was not add in spectrophotometric titration?

H2SO4 is added in reaction because acidic medium is required and it provides proton to the reaction .


Why you do not use HNO3 or HCL in titration of redox?

HNO3 is not used in redox titration because being a good oxidising ageant it oxidises the compound itself whereas HCL is a very volatile and it takes part in the reaction therefore H2SO4 is used in the reaction


Why it is necessary to add conc H2SO4 in conc HNO3 but not vice versa?

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Why we add conc sulphuric acid in mohr salt in the titration of mohr salt against potassium dichromate?

For preparation of standard solution of Mohr salt {FeSO4.(NH4)2SO4.6H2O}, it's necessary to add dilute H2SO4 to prevent the Fe2+ ions of Mohr salt solution from undergoing oxidation (to Fe3+).