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प्रश्न
Write the ionic equation showing the oxidation of Fe(II) salt by acidified dichromate solutions.
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उत्तर
Oxidation of Fe2+ salt by acidified solution K2Cr2O7 solution
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संबंधित प्रश्न
Complete the following equations:
Give an example and suggest a reason for the following feature of the transition metal chemistry:
The highest oxidation state is exhibited in oxoanions of a metal.
Complete the following equation :
Name a member of the lanthanoid series that is well-known to exhibit +2 oxidation state.
Write the chemical equation for the preparation of 4 KMnO from 2. MnO Why does purple colour of acidified permanganate solution decolourise when it oxidises Fe2- to Fe3+ ?
Which of the following is amphoteric oxide?
\[\ce{Mn2O7, CrO3, Cr2O3, CrO, V2O5, V2O4}\]
Potassium dichromate when heated with concentrated sulphuric acid and a soluble chloride, gives brown-red vapours of ______.
Complete the reaction mentioning all the products formed:
\[\ce{2KMnO4 ->[\Delta]}\]
Indicate the step in the preparation of K2Cr2O7 from chromite ore.
Indicate the steps in the preparation of K2Cr2O7 from chromite ore.
