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  1. The unit of ionic product of water (Kw) is :
    1. Mol2 let-1
    2. Mol2 let-2
    3. Mol-1 let-2
    4. Mol-1 let-1
Correct Option: B

Like any other equilibrium constant, the value of Kw varies with temperature. Its value is usually taken to be 1.00 × 10–14 mol2 dm–6 or Mol2 lit–2 at room temperature. In fact, this is its value at a bit less than 25°C. At 250 C, Kw = 1.00 x 10–14 (mol/L)2.



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