SINDH MDCAT 2019 ( PART 4) 1. Molarity of pure water is : 18 55.5 01 36 2. The value of R ( The gas constant ) is: 0.0821 dm^3 atm k^-1 mole^-1 80314 Nmk^-1 mole 8.3143 dm^3 atm k^-1 mole^1 0.0821 dm^3 atm k mole^-1 3. Tritium, an isotope of hydrogen contains: Number of neutrons are double than the number of protons Number of neutrons are half than the number of protons Equal number of electrons and neutrons Equal number of electrons, protons and neutrons 4. Which statement about the following equilibrium is correct? The value of Kp falls with increase in pressure The value of Kp remains constant with rise in temperature The value of Kp is equal to K The value of Kp falls with rise in temperature 5. The chemical name of is Tetrahydroxo zincate (II) Pentahydroxy zincate (II) Tetrahydroxy zinc (II) Tetrahydroxo zincate (IV) 6. When 5d orbital is complete, the entering electron will go to: 5p 4f 6p 6s 7. Which of the following of pair groups belong to meta directing groups ? -OR and -OH -Cl and -COOH -NO2 and -SO3H -NH2 and -NO2 8. What are the products of the below mentioned equation? HNO3 + 3HCl 2H2O+NOCl+2Cl H2O+NO2Cl+2HCl 2H20+ NOCl + Cl2 H2+NOCl+2HOCl 9. What is the order of the following reaction: 1 2 3 0 10. One Calorie is equivalent to: 418.4 J 4.184 J 41.84 J 0.4184 J Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
