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