ATTENTION:
Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.
Good luck!
CHM203
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1. Hydrogen no - bond resonance is otherwise called _____________
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2. Two factors that affect the boiling point of a substance are ________ and _________
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3. The dehydrohalogenation of alkyl halides yields __________
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4. Cyclohexane has _______ fewer hydrogens than nhexane.
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5. The method of reduction of the carbonyl group of ketone produced by Friedel - craft is __________
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6. The rule that states that in a dehydrohalogenation reaction of alkyl halides, the major product will be the product that has the more alkyl groups attached to the resultant carbon - carbon double bond is __________ rule.
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7. In terms of steric effect, conformational isomer is __________ more stable.
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8. Naphthalene has ________ number of resonance hybrid structures
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9. The reaction in which aryl halides are formed from aromatic amines is called _________
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10. Tautomers which differ from each other only in the location of a hydrogen atom and a double bond are called ____________
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11. In terms of steric effect _________ geometric isomer is more stable.
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12. The number or π-electrons in benzene is _____________
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13. Down the group, electronegativity
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14. The substitution of an acyl group into an aromatic ring by the reaction with an acid chloride in the presence of Lewis acid is called ____________
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15. The definition of an acid as a proton donor was given by ________
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16. The process by which benzene and its derivatives are extracted from petroleum is called ___________
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17. The cannonical forms of benzene were proposed by _____________
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18. The types of geometric isomers are trans and __________
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19. An example of Isolated Benzenoid Hydrocarbon is __________
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20. The extent to which acids transfer a proton to a standard base determines __________
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21. Fused benzenoid hydrocarbons with two benzene rings is _________
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22. The stronger an acid the ___________ is its conjugate base
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23. There are ---------- resonance structures of benzene
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24. Fused benzenoid hydrocarbon with three benzene rings is ________
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25. Solubility of branched isomers is __________ than that of straight chain isomers
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26. Inductive effect is a type of ____________ effect
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27. The type of tautomerism which involves a shift in interatomic distance within a molecule, without the separation of any atom from the rest of the molecule , as an intermediate stage is called ____________
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28. In terms of steric effect _________ geometric isomer is more stable.
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29. In terms of aromatization, naphthalene has ___________ π electrons
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30. The E2 reactions of alkyl halides are favoured by the use of __________
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31. Oxidation of naphthalene under controlled condition yields ___________
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32. Sulphonation of benzene yields ___________
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33. The influence of the inductive effect on acid strength is almost negligible after the __________ carbon in the chain.
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34. Another name for methyl benzene is __________
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35. A benzenoid hydrocarbon in which two benzene rings are fused together at the ortho position is called ____________
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36. For halogen derivatives of aromatic compounds, boiling point ---------- with increase in atomic size of the halogen atom.
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37. A change in molecular structure which affect the reactivity of the molecule by changing the electron distribution is called __________
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38. The most widely used method for the preparation of alkyl halides is from __________
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39. Branched chain hydrocarbons have lower __________ than their straight chain isomers.
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40. Reduction of benzene using Nickel at 425-525K and 25atm yields __________
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41. The major product in the nitration of nitrobenzene is ____________
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42. The backbone of an organic molecule is __________
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43. The effect arising from the spatial interactions between the groups in a compound is called _____________
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44. Hydrogenation of benzene at higher temperature and under pressure yields ________
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45. The benzenoid hydrocarbons in which two or more benzene rings are fused together at ortho position in such a way that each pair of rings shares rings shares two carbons are called ---------- benzenoid hydrocarbon.
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46. Unbranched isomer has higher _________ than branched isomer
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47. In electrophilic addition to alkenes, the electrophilic attack is on __________
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48. The presence of an aromatic ring in a compound is detected by ____________
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49. The amount of substance dissolved in a certain amount of solvent is referred to as ___________
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50. Bleaching powder provides chlorine which oxidizes ethanol to _________.
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