Q:
      
      
         
            
The reduction potential of hydrogen half-cell will be negative if :
(1) = 2 atm and [H+] = 2.0 M
(2) = 1 atm and [H+] = 2.0 M
(3) = 1 atm and [H+] = 1.0 M
(4) = 2 atm and [H+] = 1.0 M
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: D) Option 4         
         
Explanation:     
Apply Nernst equation  
 
  
 
   
 
Therefore E is Negative
       
      
      
      
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