BALOCHISTAN MDCAT PAPER 2022 BUMHS 2022 PAPER ( PART 9 ) 1. Ideal gas equation helps to calculate the following properties of ideal gas except Density Moles Molarity Pressure 2. Benzene also undergoes electrophilic substitution at with fuming sulfuric acid for several hours. The electrophile in this reaction is: H2SO4 SO3 SO2 SO4 3. Which one is not a nucleophile? SCN- C3H7O- NH3 H2C 4. What is the correct IUPAC name of the compound C4H6-CHO? Cyclohexanal Cyclohexyl aldehyde Benzene carbaldehyde Cyclohexane carbaldehyde 5. A solution which does not tend to varies in pH Is called? Bases Solution Acidic Solution Buffer Solution Super Saturated solution 6. What is the electronic configuration of C 1s2, 2s2, 2p4, 3s2 1s2, 2s2, 2p4, 3s2, 3p4 1s2, 2s2, 2p2 1s2, 2s2, 2p4 7. Phenol is more reactive than benzene towards electrophilic substitution. This characteristic Is due to which of the following? Hydrogen bonding Strong mesomeric effect Inductive effect Weak mesomeric effect 8. What is the correct order of reactivity towards nucleophilic addition? Benzaldehyde > Benzophenone> Acetophenone Benzophenone> Benzaldehyde > Acetophenone Benzaldehyde > Acetophenone> Benzophenone Acetophenone> Benzaldehyde > Benzophenone 9. The outer shell electronic configuration of transition block elements is given by: (n-1) d1-10 na2 (n-1) d1-10ns0-2 nd1-10ns0-2 (n-1) d1-10 (n-1) s0-2 10. The atomic weight of an element is represented by Kg Mole amu Grams Loading … Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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