Chemistry-
General
Easy

Question

An aqueous solution of 6.3 gm oxalic acid dihydrate is made upto 250 ml. The volume of 0.1 N NaOH required to completely neutralise 10 ml of this solution is

  1. 40 ml    
  2. 20 ml    
  3. 10 ml    
  4. 4 ml    

The correct answer is: 40 ml


    Normality of oxalic acid solution = fraction numerator 6.3 over denominator 250 end fraction cross times fraction numerator 1000 over denominator 63 end fraction = 0.4 N
    N1V1 = N2V2 Þ 10 ´ 0.4 = V ´ 0.1
    \ V = 40 ml

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