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  • Which of the following has least tendency to liberate   from mineral acids?  <div class='qna-op

Which of the following has least tendency to liberate \mathrm{H}_{2}  from mineral acids?

 

Option: 1

\mathrm{Cu}
 


Option: 2

\mathrm{Mn}
 


Option: 3

\mathrm{Ni }


Option: 4

\mathrm{Zn}


Answers (1)

best_answer

In reactivity series , the elements which are below Hydrogen , have neglisible tendency to liberate \mathrm{H_{2}} from mineral acids.

As Copper is least electropositive among the given metals, also it lies below Hydrogen in rectivity series,

Copper has least tendency to liberate \mathrm{H_{2}} from mineral acids.

Posted by

himanshu.meshram

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