Advertisements
Advertisements
प्रश्न
Write a balanced equation for the reduction of copper (ll) oxide by hydrogen.
Advertisements
उत्तर
\[\ce{\underset{(black)}{CuO} + H2 ->[\Delta]\underset{(Pink/brown)}{Cu} + H2O}\]
संबंधित प्रश्न
Name the following:
A metal oxide that can be reduced by hydrogen.
Name oxide of one metal which is reduced by (give equation): Reduction with carbon
For the reaction of a metal oxide. Suggest a reducing agent other than carbon
Name a non-metallic element which is a conductor of electricity.
What metallic property is shown by the non-metal graphite?
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 ________
Complete the following by selecting the correct option from the choices given :
The diavalent metal whose oxide is reduced to metal by electrolysis of its fused salt is ________
Steel is an alloy of iron and ______.
Give the equation for the reduction of Zinc 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?
