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  • Samples of four metals A, B, C and D were taken and added to the following solution one by one. The results obtained have been tabulated as follows. Which is the most reactive metal?

Q.5.    Samples of four metals A, B, C and D were taken and added to the
          following solution one by one. The results obtained have been tabulated
          as follows.

         

Metal Iron (II) sulphate      Copper (II) sulphate Zinc sulphate Silver nitrate
A No reaction Displacement    
B Displacement   No reaction  
C No reaction No reaction No reaction Displacement
D No reaction No reaction No reaction No reaction

         Use the Table above to answer the following question about metals A, B, C and D.

         (i) Which is the most reactive metal?

Answers (1)

best_answer

From the table, it can be seen that no metal is able to displace zinc from its solution, thus zinc is most reactive of given metals.

Further, only metal B is able to displace iron from iron sulphate solution. And element A can displace copper. Similarly, element C can displace silver from its solution.

So, the reactivity order obtained is :            D      <      C    <      A     <     B

Hence, B is most reactive.

Posted by

Devendra Khairwa

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