SINDH MDCAT 2017 PAPER MDCAT 2017 ( PART 7 ) 1. In the reaction 2Fe + Cl2 ___ 2FeCL3 Fe is oxidized CI2 is oxidized None of the above Fe is reduced 2. The process in which electric current is used to carry out a non-spontaneous redox reaction is called: Electrolyte Electrolysis Metallic conductor None of the above 3. The molecular structure of a hydrocarbon is shown below Which structure is an isomer of this hydrocarbon ? 4. The formula of Plaster of Paris Is: (CaSO4). 7H20 (CaSO4). 9H20 (CaSO4).1/2 H20 (CaSO4). 5H20 5. Ionic, covalent and co-ordinate covalent bonds are simultaneously present In the molecular geometry of: Hydrochloric acid Water Ammonia Ammonium hydroxide Methane 6. All amino adds contain the functional group: S^2- CO2H Both NH2 and CO2H NH2 7. Alanlne, Lysine, and tryptophan are: Carbohydrates Lipids Enzymes Amino adds 8. What happens when one mole of ethane is mixed in the dark at room temperature with six moles of chlorine? CH3-CH2 Cl and HCL are formed Carbon and HCL are formed CH3-C-CI3 and HCL are formed C-CL3 C-CI3 and HCL are formed There is no reaction 9. How would an ammonium group affect on benzene ring for subsequent reaction ? Deactivate the ring; meta directing Activate the ring; meta directing Deactivate the ring; ortho-para directing Activate the ring, ortho-para directing 10. Which of the following would be the best solvent for an SN2 reaction? CH3-CH2 OH H2O CH3-SO-CH3 CH3-CH2-CH2-CH2-CH2-CH3 Loading … Pages: 1 2 3 4 5 6 7 8 9 10
