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