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प्रश्न
Complete the following chemical equations :
Cu + H2SO4(conc.) →
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उत्तर
The balanced reactions are given below:
Cu + 2H2SO4(conc.) →→ CuSO4 + SO2 + 2H2O
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संबंधित प्रश्न
Complete the following equations: Cr2O72- + 14H+ + 6I →
Complete the following equations:Cr2O72- + 2OH- →
Name the oxometal anions of the first series of the transition metals in which the metal exhibits the oxidation state equal to its group number.
Give an example and suggest a reason for the following feature of the transition metal chemistry:
The lowest oxide of transition metal is basic, the highest is amphoteric/acidic.
Give an example and suggest a reason for the following feature of the transition metal chemistry:
A transition metal exhibits the highest oxidation state in oxides and fluorides.
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) \[\ce{2MnO^{-}4 + 3Mn^{2+} + 2H2O -> 5MnO2 + 4H^{+}}\]
When \[\ce{Cu^2+}\] ion is treated with \[\ce{KI}\], a white precipitate is formed. Explain the reaction with the help of chemical equation.
Why \[\ce{HCl}\] should not be used for potassium permanganate titrations?
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 \[\ce{K2Cr2O7}\] from chromite ore.
