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Practical Chemistry Quiz-3

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10 Question

Popular Questions In Practical Chemistry Quiz-3

  • Oxidation of oxalic acid by acidified KMnO4KMnO_4 is an example of autocatalysis, it is due to the presence of

  • In the preparation of KMnO4KMnO_4 , pyrolusite (MnO2MnO_2) is first converted to potassium manganate (K2MnO4K_2MnO_4 ). In this conversion, the oxidation state of manganese changes from

  • Deep green precipitate of Cr(OH)3Cr(OH)_3 gives yellow solution on addition H2O2H_2O_2 in presence of excess of base. The yellow colour is due to

  • K2Cr2O7K_2Cr_2O_7 is preferred to Na2Cr2O7Na_2Cr_2O_7 for use in volumetric analysis as a primary standard because

  • What would happen when a solution of potassium chromate is treated with an excess of dilute HNO3?HNO_3?

  • The product of oxidation of II^- with MnO4MnO_4 in alkaline medium is

  • The purple colour of KMnO4KMnO_4 is due to the transition

  • KMnO4KMnO_4 reacts with BrBr^-in alkaline PHP^H to give

  • A student accidentally added conc.H2SO4 H_2SO_4 to potassium permanganate and it exploded due to the formation of an explosive which is

  • KMnO4KMnO_4 gets reduced to