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Acids and bases - class-XI

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Multiple Choice

Ist & IInd dissociation const. for oxalic acid is $K _{1}$  and $K _{2}$  which is right statement is : 

  1. $K _{2}$ ,$K _{1}$ are equal
  2. $K _{2}$ is 1000 times greater thean $K _{1}$
  3. $K _{2}$ is $\frac{1}{1000}$ time than $K _{1}$
  4. All correct
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