Q:
      
      
         
            
Which one of the following statements is correct?
         
       
      
      
      
          
      
      
          Answer & Explanation
         Answer: D) Hydrogen can have more than one oxidation number.         
         
Explanation: Hydrogen has two possible oxidation numbers: +1 and -1.
-1 in case of hydrides.
       
      
      
      
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