SINDH MDCAT 2015 PAPER MDCAT 2015 PART 5 ( CHEMISTRY ) 1. In which of the following compound carbon uses sp3 hybrid orbitals for bond formation? Note: This question was cancelled CH2=C=O (CH)3, COH C2H4 C2H6 2. The table shown below gives the bond dissociation energies of single covalent bonds of carbon atom with elements A, B, C and D. Which of the following is the smallest atom? B A D C 3. The IUPAC name for the structure below ends with what suffix? -ide -yne -oic acid -ol 4. What is the major product of nitration reaction below? D C A B 5. Which of the molecules shown below are aromatic I and III only I,II and III II only I only 6. What are the major products of the reaction shown below Bromobenzene and propanol Bromobenzene and propane Phenol and bromopropane Benzene and propane 7. Commercial hydrogen is obtained from: Coal gas Oil gas Producer gas Marsh gas 8. The ionization of hydrogen atom gives: Hydronium ion Hydride ion Proton Hydroxyl ion 9. Which is most basic in character? KOH NaOH RbOH LiOH 10. Oxygen does not react with: S P Na Cl Loading … Pages: 1 2 3 4 5 6 7 8 9