Electrochemistry - Students Free Notes

Electrochemistry

Formation of water from hydrogen and oxygen is:

 
 
 
 

Nelson’s cell is used to prepare caustic soda along with gases. Which of the following gas is produced at cathode:

 
 
 
 

Which one of the following is not an electrolyte?

 
 
 
 

Spontaneous chemical reactions take place in:

 
 
 
 

Which one of the following is not an electrolytic cell?

 
 
 
 

The oxidation number of chromium in K₂Cr₂O₇ is:

 
 
 
 

During the formation of water from hydrogen and oxygen, which of the following does not occur:

 
 
 
 

The most common example of corrosion is:

 
 
 
 

In the redox reaction between Zn and HCl, the oxidizing agent is:

 
 
 
 

The formula of rust is:

 
 
 
 

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