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1. Question4 points
The molarity of a solution obtained by mixing 750 mL of 0.5(M) HCl with 250 mL of 2(M) HCl will be : [IIT-JEE Mains 2013]Correct
2. Question4 points
KMnO4 reacts with KI in basic medium to form I2 and MnO2. When 250 mL of 0.1 MKI solution is mixed with 250 mL of 0.02MKMnO4 in basic medium, what is the number of moles of I2 formed? [EAMCET 2014]Correct
3. Question4 points
The oxide of a metal contains 40% of oxygen. The valency of metal is 2. What is the atomic weight of the metal? [EAMCET 2014]Correct
4. Question4 points
50 cm3 of 0.04 M K2Cr2O7 in acidic medium oxidizes a sample of H2S gas to sulphur. Volume of 0.03 M KMnO4 required to oxidize the same amount of H2S gas to sulphur, in acidic medium is [Karnataka CET 2014]Correct
5. Question4 points
What volume of Hydrogen gas, at 273 K and 1 atm pressure will be consumed in obtaining 21.6 g of elemental boron (Atomic mass = 10.8) from the reduction of boron trichloride by Hydrogen?Correct
KMnO4 reacts with KI in basic medium to form I2 and MnO2. When 250 mL of 0.1 MKI solution is mixed with 250 mL of 0.02MKMnO4 in basic medium, what is the number of moles of I2 formed?
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