Advertisements
Advertisements
प्रश्न
Complete the following equations: Cr2O72- + 14H+ + 6I →
Advertisements
उत्तर
Cr2O72- + 14H+ + 6I → 2Cr3+ + 3I2 + 7H2O
APPEARS IN
संबंधित प्रश्न
Complete the following chemical equation
8MnO4- + 3S2O32- + H2O →
Complete the following chemical equation
Cr2O72- + 3Sn2+ + 14H+ →
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.
Generally transition elements and their salts are coloured due to the presence of unpaired electrons in metal ions. Which of the following compounds are coloured?
(i) \[\ce{KMnO4}\]
(ii) \[\ce{Ce(SO4)2}\]
(iii) \[\ce{TiCl}\]
(iv) \[\ce{Cu2 Cl2}\]
In the two tetrahedral structures of dichromate ion, ______.
Which of the following ions will have a magnetic moment value of 1.73 BM.
\[\ce{Sc^3+, Ti^3+, Ti^2+, Cu^2+, Zn^2+}\]
Indicate the steps in the preparation of \[\ce{K2Cr2O2}\] from chromite ore.
Indicate the steps in the preparation of \[\ce{K2Cr2O7}\] from chromite ore.
Indicate the steps in the preparation of \[\ce{K2Cr2O7}\] from chromite ore.
