Advertisements
Advertisements
प्रश्न
Give the equations for the reduction of copper oxide.
Advertisements
उत्तर
\[\ce{CuO + C ->[\Delta]Cu + CO}\]
\[\ce{CuO + CO ->[\Delta]Cu + CO2}\]
\[\ce{CuO + H2 ->[\Delta]Cu + H2O}\]
APPEARS IN
संबंधित प्रश्न
Name the following:
A metal oxide that can be reduced by hydrogen.
Give appropriate scientific reasons for Zinc oxide can be reduced to zinc metal by using
carbon, but aluminium oxide cannot be reduced by a reducing agent
Give reason for the following:
Carbon anodes are used in the electrolytic extraction of aluminium.
Name a non-metallic element which forms acidic and neutral oxides
Write balanced equation for the following reaction:
Reduction of lead (II) oxide by carbon.
If fused metallic chloride is electrolyzed, at which electrode would the metal be obtained?
Name the following:
The compound formed by the reaction between calcium oxide and silica.
Complete the following by selecting the correct option from the choices given :
The metal whose oxide, which is amphoteric, is reduced to metal by carbon reduction ________
Give the equation for the reduction of Iron (III) oxide.
The following sketch represents the electroplating of an Iron cup with Nickel metal.
Study the diagram and answer the following questions:
- During electroplating, the iron cup is placed at the cathode. Why?
- Name the ion that must be present in the electrolyte.
- State one condition that is necessary to ensure that the deposit is smooth, firm and even.
- Write the reaction taking place at the cathode.
- What change would you observe at the anode?
