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प्रश्न
Complete the following chemical equation
Cr2O72- + 3Sn2+ + 14H+ →
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उत्तर
Cr2O72- + 3Sn2+ + 14H+ → 2Cr3+ + 3Sn4+ + 7H2O
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संबंधित प्रश्न
Complete the following equations : 2 MnO2 + 4 KOH + O2 →
Complete the following equation : MnO4- + 8H+ + 5e- →
Write the formula of an oxo-anion of Manganese (Mn) in which it shows the oxidation state equal to its group number.
Which of the following reactions are disproportionation reactions?
(a) \[\ce{Cu^{+} -> Cu^{2+} + Cu}\]
(b) \[\ce{3MnO^{-}4 + 4H^{+} -> 2MnO^{-}4 + MnO2 + 2H2O}\]
(c) \[\ce{2KMnO4 -> K2MnO4 + MnO2 + O2}\]
(d) \[\ce{2MnO^{-}4 + 3Mn^{2+} + 2H2O -> 5MnO2 + 4H^{+}}\]
Which of the following is amphoteric oxide?
\[\ce{Mn2O7, CrO3, Cr2O3, CrO, V2O5, V2O4}\]
What is the effect of pH on dichromate ion solution?
Complete the following ionic equation:
\[\ce{Cr2O^{2-}7 + 2OH^- ->}\]
Complete the reaction mentioning all the products formed:
\[\ce{Cr2O^{2-}7 + 3H2S + 8H^+ ->}\]
Indicate the steps in the preparation of \[\ce{K2Cr2O7}\] from chomite ore.
Indicate the steps in the preparation of \[\ce{K2Cr2O7}\] from chromite ore.
