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प्रश्न
An element L consists of molecules.
When L is heated with iron metal, it forms a compound FeL. What chemical term would you use to describe the change undergone by L?
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उत्तर
When L is heated with iron metal, it forms a compound FeL
Here, oxidation of Fe and reduction of L occur as follows:
Fe → Fe2+ + 2e-
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संबंधित प्रश्न
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 ____________. (Fe/Mg/Pb/Al)
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
Explain with reason:
In the electrolytic reduction of alumina, the graphite anode is gradually consumed.
Give equation for the following conversion: Aluminium to aluminium nitride.
For the reaction of a metal oxide. Suggest a reducing agent other than carbon
Write balanced equation for the following reaction:
Reduction of lead (II) oxide by carbon.
Name the following :
A metal oxide that can be reduced by hydrogen
Write a balanced equation for the reduction of copper (ll) oxide by hydrogen.
Give the equations for the reduction of copper 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?
