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Why use h2so4 instead of hcl in titration of kmno4?
H2SO4 is typically used instead of HCl in the titration of KMnO4 because HCl can react with KMnO4 and form chlorine gas, which can interfere with the titration results. Additionally, H2SO4 provides the required acidic medium for the reaction to occur between KMnO4 and the analyte.
What is the reaction of alkenes with KMnO4?
When alkenes react with KMnO4, they undergo oxidation to form diols or glycols.
What is the product when ethanol react with excess acidified kmno4?
When ethanol reacts with excess acidified KMnO4, it is oxidized to form ethanoic acid. The purple color of KMnO4 is decolorized to colorless Mn2+ ions during the reaction.
Is KMnO4 soluble or not soluble is cyclohexane?
No the purple solid KMnO4 is only very slightly soluble in the organic liquid cyclohexane.
What is the word equation for potassium permanganate when heated?
here is the rection... 2KMnO4 + 3H2SO4 = K2SO4 + 2MnSO4 + 3H2O + 2.5O2 (alkaline) and in other conditions... 6 KMnO4 + 9 H2SO4 → 6 MnSO4 + 3 K2SO4 + 9 H2O + 5 O3 The H2SO4/KMnO4 reaction can also produce the oily Mn2O7, which is unstable and can decompose explosively.
Why use h2so4 instead of hcl in titration of kmno4?
H2SO4 is typically used instead of HCl in the titration of KMnO4 because HCl can react with KMnO4 and form chlorine gas, which can interfere with the titration results. Additionally, H2SO4 provides the required acidic medium for the reaction to occur between KMnO4 and the analyte.
What is the reaction of alkenes with KMnO4?
When alkenes react with KMnO4, they undergo oxidation to form diols or glycols.
What is the product when ethanol react with excess acidified kmno4?
When ethanol reacts with excess acidified KMnO4, it is oxidized to form ethanoic acid. The purple color of KMnO4 is decolorized to colorless Mn2+ ions during the reaction.
What compounds can react with h2so4 to form a salt nacl caoh2 hf alcl3h2omgoh2?
NaOH can react with H2SO4 to form Na2SO4 and water. Ca(OH)2 can react with H2SO4 to form CaSO4 and water. HF can react with H2SO4 to form H2SO4 + HF -> H2O + SO3 + HF + HF, as well as AlCl3O2H2O can react with H2SO4 to form Al2(SO4)3 +H2O. Mg(OH)2 can react with H2SO4 to form MgSO4 and water.
Is the chemical formula form sulfuric acid is H2SO4?
Yes. H2SO4 is sulfuric acid.
Is KMnO4 soluble or not soluble is cyclohexane?
No the purple solid KMnO4 is only very slightly soluble in the organic liquid cyclohexane.
What is the word equation for potassium permanganate when heated?
here is the rection... 2KMnO4 + 3H2SO4 = K2SO4 + 2MnSO4 + 3H2O + 2.5O2 (alkaline) and in other conditions... 6 KMnO4 + 9 H2SO4 → 6 MnSO4 + 3 K2SO4 + 9 H2O + 5 O3 The H2SO4/KMnO4 reaction can also produce the oily Mn2O7, which is unstable and can decompose explosively.
What happens when KMnO4 is exposed to cold temperatures?
When potassium permanganate (KMnO4) is exposed to cold temperatures, it may crystallize and form solid particles. This can affect its solubility and reaction rate.
What will happen when CO2 is washed with kmno4 water?
When carbon dioxide (CO2) is washed with potassium permanganate (KMnO4) water, the KMnO4 will be reduced by the CO2 to form a brown precipitate of manganese dioxide (MnO2). This reaction can be used to determine the presence of CO2 in a gas sample by observing the color change from purple (KMnO4) to brown (MnO2).
What happens when ethanol is oxidised with acidified kmno4 solution?
When ethanol is oxidized with acidified KMnO4 solution, it undergoes complete oxidation to form ethanoic acid (acetic acid). The purple KMnO4 solution is reduced to green Mn2+ ions in the process.
What is the role of KMnO4 during the distillation?
Potassium permanganate (KMnO4) can be used during distillation to eliminate impurities and organic matter present in the distillate. It acts as an oxidizing agent, reacting with organic compounds to form carbon dioxide and water, thereby purifying the distillate. KMnO4 also helps in detecting the end point of distillation, as its color changes when excess KMnO4 is present in the distillate.
What happen when ethanol is heated with alkaline kmno4 solution?
When ethanol is added to alkaline KMno4 solution, the ethanol gets oxidised to ethanoic acid due to nascent oxygen. KMno4 is an oxidising agent. thus when we first add alkaline Kmno4 to ethanol, the pink colour of the Kmno4 vanishes, as it is being used up for the oxidation process. however. when all of the ethanol has been oxidised into ethanoic acid, and we keep adding Kmno4, the colour returns, as there is no more ethanol left to oxidise.
