Advertisements
Advertisements
Question
Complete the following equations : 2 Na2CrO4 + 2 H + →
Advertisements
Solution
2 Na2CrO4 + 2 H+ → Na2Cr2O7 + 2 Na+ + H2O
RELATED QUESTIONS
Complete the following equations : 2 MnO2 + 4 KOH + O2 →
Complete the following equation : MnO4- + 8H+ + 5e- →
Describe the preparation of potassium dichromate from iron chromite ore. What is the effect of increasing pH on a solution of potassium dichromate?
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+ ?
\[\ce{KMnO4}\] acts as an oxidising agent in alkaline medium. When alkaline \[\ce{KMnO4}\] is treated with \[\ce{KI}\], iodide ion is oxidised to ______.
The oxidation state of manganese in the product obtained in a reaction of potassium permanganate and hydrogen peroxide in a basic medium is ______.
Indicate the steps in the preparation of \[\ce{K2Cr2O2}\] from chromite ore.
Indicate the steps in the preparation of \[\ce{K2Cr2O7}\] from chomite ore.
Indicate the step in the preparation of K2Cr2O7 from chromite ore.
