SINDH MDCAT 2019 ( PART 8) 1. The units of Ksp for the following reaction are: mol^3 dm^-9 mol^2 dm^-3 mol dm^6 mol dm^-9 2. In t-butyl alcohol, the tertiary carbon is bonded to: One H-atoms Four C-atoms No H-atoms Three H-atoms 3. The oxidation potential standard hydrogen electrode is arbitrarily taken as: -0.76 volts +1.5 volts 0.00 volts 1.0 volts 4. Down’s cell is used to prepare: Sodium metal Sodium carbonate Sodium bicarbonate Sodium hydroxide 5. Which of the hydrogen compounds has the highest percentage of ionic character? HI HF HCl HBr 6. Quantum number values for 2p orbitals are: n=2 l=1 n=1 l=0 n=2 l=2 n=2 l=0 7. Maximum concentration of Ag^-1 ions in the solution is: NOTE: This question was cancelled. 1.0×10^-12 mol dm^-3 1.4×10^-12 mol dm^-3 2×10^-12 mol dm^-3 2.5×10^-12 mol dm^-3 8. A limiting reactant is the one, which: Gives equal amount of the reactants and products Is taken in lesser quantity in grams as compared to the other reactant Gives the minimum amount of the product which is required Is taken in lesser quantity in volume as compared to the other reactant 9. The chemical formula of Tincal is: Na2B2O5.10H20 Na2B4O7.H20 Na2B4O7.10H20 Na2B2O7.10H20 10. Hydrogen resembles with the elements of groups: I-A, IV-A and VII-A I-A, IV-A and VI-A I-A, II-A and VII-A I-A, V-A and VIII-A Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
