English

Choose the Correct Answer from the Options Given Below: the Electrolyte Used for Electroplating an Article with Silver is - Chemistry

Advertisements
Advertisements

Question

Choose the correct answer from the options given below:

The electrolyte used for electroplating an article with silver is

A. Silver nitrate solution

B. Silver cyanide solution

C. Sodium argentocyanide solution

D. Nickel sulfate solution

 

Advertisements

Solution

Sodium argentocyanide solution

shaalaa.com
  Is there an error in this question or solution?
2013-2014 (March) Science Paper 2

RELATED QUESTIONS

Identify the substance underlined, in the following case

The electrolyte used for electroplating an article with silver.


Name the following :

The process of coating of iron with zinc


State one relevant observation for the following:

At the anode when aqueous copper sulphate solution is electrolysed using copper electrodes.


Copy and complete the following table:

  Anode Electrolyte
Purification of copper    

Give reason for the following:

For electroplating with silver, silver nitrate is not used as an electrolyte.


The following question relate to the electroplating of an article with silver.
 What should be the nature of the anode?


Copy and complete the following table :

  Anode Electrolyte
Purification of copper    

Which solution is preferred as electrolyte, CuSO4 or FeSO4?


What ions must be present in a solution used for electroplating a particular metal?


Electroplating steel objects with silver involves a three-step process.

Step 1: A coating of copper is applied to the object.

Step 2: A coating of nickel is applied to the object.

Step 3: The coating of silver is applied to the object.

    1. A diagram of the apparatus used for step 1 is shown

      1. The chemical process taking place on the surface of the object is \[\ce{Cu^2+(aq) + 2e- ->Cu(s)}\]
        What is the observation seen on the surface of the object?
      2. Explain why the concentration of copper ions in the electrolyte remains constant throughout step 1.
  1. Give two changes which would be needed in order to coat nickel on to the object in step 2.
  2. Write down the reaction taking place at the positive electrode during step 3.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×