ii) Reduction by metal in acidic solutions
Metals (Fe, Sn and Zn) and HCl are sued for reducing a nitro group (-NO 2 ) to an amino group (-NH 2 ). ..
Metals (Fe, Sn and Zn) and HCl are sued for reducing a nitro group (-NO 2 ) to an amino group (-NH 2 ). ..Reduction by more electropositive metals (precipitation or hydrometallurgy)
This method is employed when leaching method had been used to concentrate the ore. The metals are obtained by reducing their ions in the solution as precipitates by a more electropositive metal. This method is also called as the hydrometallurgy method of reduction. Fo..
This method is employed when leaching method had been used to concentrate the ore. The metals are obtained by reducing their ions in the solution as precipitates by a more electropositive metal. This method is also called as the hydrometallurgy method of reduction. Fo..Reduction properties
Due to their low ionization energies all group 2 elements tend to lose their valence electrons and act as strong reducing agents. The decrease of the reduction potential values down the group, indicate an increase of strength as a reducing agent. However the members of this group are wea..
Due to their low ionization energies all group 2 elements tend to lose their valence electrons and act as strong reducing agents. The decrease of the reduction potential values down the group, indicate an increase of strength as a reducing agent. However the members of this group are wea..Reduction of Ores
The oxide obtained by calcination or roasting is then reduced by either carbon or hydrogen. Carbon is usually used in the form of coke, or carbon monoxide. Not all metallic oxides can be reduced by carbon or carbon monoxide. Thus, in order to extract metal from its ore the meth..
Reduction by Electrolysis
This process is used for oxides of highly reactive metals that are above aluminium in the reactivity series. It is also used for reduction of aluminium oxid..
Reduction Using Aluminium (Aluminothermy)
Aluminium is an expensive reducing agent. It is used for reduction of oxides of highly reactive metals. But these metals need to be below aluminium in the reactivity serie..
Reduction Using Carbon (Coke)
This method is used for oxides of moderately reactive metals. Coke is an inexpensive reducing agent and is most widely used. ..
This method is used for oxides of moderately reactive metals. Coke is an inexpensive reducing agent and is most widely used. ..Chemical Reduction Methods
Chemical Reduction Methods - In chemical reduction process, the choice of reducing agent depends upon the chemical reactivity of the metal..
Hydrogen reduction method
Hydrogen can reduce certain oxides to metals e.g., ..
Hydrogen can reduce certain oxides to metals e.g., ..Carbon monoxide reduction method
In certain cases CO gas produced in the furnace itself can be used as a reducing agent. For example,..
In certain cases CO gas produced in the furnace itself can be used as a reducing agent. For example,..See what our Users say :
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