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InterviewSolution
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The normality of 10 ml of a '20 V H2O2 solution is(1) 1.79 (2) 3.58 (3) 60.86 (4) 6.086 |
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Answer» 20VH2O2 means that 1 litre of H2O2 solution would produce 20 litre of Oxygen. 2H2O2.....................>H2O+ O2 From the equation it is clear that 2 moles of H2O2 produce 1 mol of O2But 20V H2O2 will produce 20 litre of oxygen for 1 litre of H2O2.............................................⇒ (20litre/24.4litre) mol of oxygen liberated for 1 litre of H2O2So in 1 litre solution of H2O2, moles of H2O2=2*moles of oxygen = (2*20/24.4) mol/litre=1.67Mn-factor of H2O2=2So, normality=Molarity*n-factor=1.67*2=3.34N |
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