Final Chemistry Quiz - 2019 Batch

60 Questions | Total Attempts: 121

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Final Chemistry Quiz - 2019 Batch

Done by your colleagues: محمد شناعة سدين سمير حسام العمري لينة العبابنة لينة الطيطي حسام اللمع عبد الله أبو اشقير رؤى حكيم ريما المومني سارة بني عامر شهد الجوارنة صهيب القادري علاء دكناش


Questions and Answers
  • 1. 
     دفعتنا العزيزة ⁦⁩ عارفين كمية الضغط الي عليكو بالامتحان وقديش الأشياء المتراكمة عليكو بس تذكرو دايما، براسكو في حلم وقدامكو في مستقبل، وجنبكو أهاليكو بدعولكو بالليل والنهار، ووراكو ناس تسندو عليهم ظهوركو وبستنو منكو ترفعو راسهم دايما بكل مكان، كل هاي الأشياء بتستاهل منكو تتعبو عشانها  ("  ما بحكيلكم الطريق سهلة، الطريق صعبة وكثير كمان، بس ما عمرها الأشياء كانت حلوة إلا بصعوبتها  .تذكرو دايما، براسنا في حلم وقدامنا في مستقبل .لا تنسو لا تنسو !موفقين
  • 2. 
    Which one of the organic compounds is less stable and more reactive?
    • A. 

      Cyclohexane

    • B. 

      Cyclopropane

    • C. 

      Cyclobutan

    • D. 

      Two answers are correct

  • 3. 
    What is the correct name of the following molecule?
    • A. 

      2-Bromo-5-ethyl-6-methyl-3-heptyne

    • B. 

      3-iso propyl6-bromo 4-heptyne

    • C. 

      2-Bromo-5-iso propyl-3-heptyne

    • D. 

      2-Bromo-5-ethyl-6-methyl-3-heptene

  • 4. 
    Which Alkene that give this product in the addition of HBr?
    • A. 

      Option 1

    • B. 

      Option 2

    • C. 

      Option 3

    • D. 

      Option 4

  • 5. 
    All the following Alkenes give two major products up on addition of HCL EXCEPT?  
    • A. 

      Option 1

    • B. 

      Option 2

    • C. 

      Option 3

    • D. 

      Option 4

  • 6. 
    Which of the following compounds can exist as cis-trans isomers ?
    • A. 

      2-hexene

    • B. 

      Cyclohexene

    • C. 

      2,3-dimethyl -2-butene

    • D. 

      2-methyl -2-pentene

  • 7. 
    Give the IUPAC name for the following compound
    • A. 

      Trans -7,8-dimethyl-6-isopropyl-3-nonene

    • B. 

      Cis-7,8-dimethyl-6-isopropyl-3-nonene

    • C. 

      Cis-6-isopropyl-2,3-dimethyl-6-nonene

    • D. 

      Trans-6-isopropyl-7,8-dimethyl-3-nonene

  • 8. 
    What is the correct name for this compound?
    • A. 

      1-Fluoro-3-isopropyl-5-ethylbenzene

    • B. 

      1-ethyl-3-isopropyl-5-fluorobenzene

    • C. 

      1-ethyl-3-fluoro-5-isopropylbenzene

    • D. 

      1-isopropyl-3-fluoro-5-ethylbenzene

  • 9. 
    Which of the following alcohols yields a carboxylic acid when treated with K2Cr2O7 / H2SO4
    • A. 

      2-methyl-2-propanol

    • B. 

      Phenol

    • C. 

      2,2-dimethyl-1-propanol

    • D. 

      Cyclohexanol

  • 10. 
    Which of the following reagents can be used to reduce aldehyde to alcohol
    • A. 

       LiAlH/ H3O+

    • B. 

      BH/ H2O2

    • C. 

      KMnO4

    • D. 

      NH2NH/ OH-

  • 11. 
    A carboxylic acid is a ---------------- acid than ethanol because upon ionization ........
    • A. 

      Stronger, the carboxylate ion is destabilized by resonance

    • B. 

      Weaker, the carboxylate ion is stabilized by resonance

    • C. 

      Stronger, the ethoxide ion is stabilized by resonance

    • D. 

      Stronger, the carboxylate ion is stabilized by resonance

  • 12. 
    Which compound undergoes nucleophilic addition reaction?
    • A. 

      Cyclohexene

    • B. 

      Chlorocyclohexane

    • C. 

      Hexanal

    • D. 

      Cyclohexanol

  • 13. 
    What is the organic product obtained from the reaction of dimethylamine with acetic acid
    • A. 

      N,N-Dimethylacetamide

    • B. 

      N-Dimethylformamide

    • C. 

      Dimethylammonium acetate

    • D. 

      Dimethylamine acetate

  • 14. 
    What type of compound is formed when a primary (1°) alcohol is treated with H2CrO4
    • A. 

      Carboxylic acid

    • B. 

      Alkyne

    • C. 

      Aldehyde

    • D. 

      Ketone

  • 15. 
    - What are the product from hydrolysis of ethyl - benzoate in acidic solution
    • A. 

      Acetic acid and phenol

    • B. 

      Benzoic acid and methanol

    • C. 

      Benzoic acid and ethanol

    • D. 

      Benzoate and ethanol

  • 16. 
    Which of the following reactions would be the most suitable to convert 2-hexanol to 2- hexanone
    • A. 

      LiAlH4

    • B. 

      NaBH4

    • C. 

      PCC in CH2Cl2

    • D. 

      H2 /Ni

  • 17. 
    How many sterogenic carbon in this compound?
    • A. 

      Zero

    • B. 

      1

    • C. 

      2

    • D. 

      3

  • 18. 
    The angle of rotation for a compound is (+12) what is the angle of rotation for the mirror image of it?
    • A. 

      +12

    • B. 

      -12

    • C. 

      +78

    • D. 

      -78

  • 19. 
    Assign a priority order to each of the following set of group -CH (CH3)2 / -OH / -CH2NH2 / -CH3 / -CCL4
    • A. 

      -OH >-CH2NH2 > -CH (CH3)2> -CH3 >-CCL4

    • B. 

      -OH >-CCL4> -CH (CH3)2>-CH2NH2>-CH3 

    • C. 

      -CCL4>-OH >-CH2NH2 >-CH3> -CH (CH3)2

    • D. 

      -OH >-CCL4>-CH3 >-CH2NH2 > -CH (CH3)2

  • 20. 
    The configuration around carbons labeled 1 and 2 respectively:
    • A. 

      (R, R)

    • B. 

      (S, S)

    • C. 

      (R, S)

    • D. 

      (S, R)

  • 21. 
    What is the O-S-O bond angle in SO3?
    • A. 

      Less than 109.5

    • B. 

      109.5

    • C. 

      120

    • D. 

      Greater than 120

  • 22. 
    What is the geometry around the central atom in the following molecular model of PH3?
    • A. 

      Linear

    • B. 

      Bent

    • C. 

      Pyramidal

    • D. 

      Tetrahedral

  • 23. 
    In the drawing of acetic acid CH3CO2H, a partial positive charge occurs on :
    • A. 

      Only (a)

    • B. 

      Only (b)

    • C. 

      (a) and (c)

    • D. 

      (b) and (d)

  • 24. 
    Which of the following pairs would you expect to form solutions?
    • A. 

      CH3CH2COOCH3/CH3OH

    • B. 

      CH3CH2CONH2/CH3COOH

    • C. 

      C6H14/CH3OCH3

    • D. 

      (A+B)

  • 25. 
    Molality is a relationship that connects :
    • A. 

      The mass of solute with the volume of solution

    • B. 

      The moles of solute with the volume of solution

    • C. 

      The mass of solute with the moles of solvent

    • D. 

      The moles of solute with the mass of solvent

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