CHM203




Category: CHM203

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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.

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CHM203

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1. The reaction in which aryl halides are formed from aromatic amines is called _________

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2. The definition of an acid as a proton donor was given by ________

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3. 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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4. The backbone of an organic molecule is __________

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5. Reduction of benzene using Nickel at 425-525K and 25atm yields __________

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6. Solubility of branched isomers is __________ than that of straight chain isomers

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7. Unbranched isomer has higher _________ than branched isomer

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8. In keto-enol tautomers, the tautomer that predominates is __________

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9. Inductive effect is a type of ____________ effect

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10. The process by which benzene and its derivatives are extracted from petroleum is called ___________

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11. Cyclohexane has _______ fewer hydrogens than nhexane.

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12. For halogen derivatives of aromatic compounds, boiling point ---------- with increase in atomic size of the halogen atom.

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13. Hydrogenation of benzene at higher temperature and under pressure yields ________

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14. There are ---------- resonance structures of benzene

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15. Fused benzenoid hydrocarbons with two benzene rings is _________

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16. The extent to which acids transfer a proton to a standard base determines __________

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17. The presence of an aromatic ring in a compound is detected by ____________

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18. Branched chain hydrocarbons have lower __________ than their straight chain isomers.

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19. In terms of aromatization, naphthalene has ___________ π electrons

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20. Naphthalene has ________ number of resonance hybrid structures

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21. The number or π-electrons in benzene is _____________

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22. The amount of substance dissolved in a certain amount of solvent is referred to as ___________

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23. 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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24. An example of Isolated Benzenoid Hydrocarbon is __________

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25. Fused benzenoid hydrocarbon with three benzene rings is ________

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26. In terms of steric effect _________ geometric isomer is more stable.

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27. The effect arising from the spatial interactions between the groups in a compound is called _____________

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28. Bleaching powder provides chlorine which oxidizes ethanol to _________.

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29. The stronger an acid the ___________ is its conjugate base

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30. A side reaction that occurs during substitution reactions of alkyl halides is _________

 

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31. Reduction of benzene is by __________ of benzene.

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32. The method of reduction of the carbonyl group of ketone produced by Friedel -crafts acylation is ------------ reduction.

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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. The method of reduction of the carbonyl group of ketone produced by Friedel - craft is __________

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35. Tautomers which differ from each other only in the location of a hydrogen atom and a double bond are called ____________

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36. The most widely used method for the preparation of alkyl halides is from __________

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37. A benzenoid hydrocarbon in which two benzene rings are fused together at the ortho position is called ____________

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38. The E2 reactions of alkyl halides are favoured by the use of __________

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39. In terms of steric effect _________ geometric isomer is more stable.

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40. In electrophilic addition to alkenes, the electrophilic attack is on __________

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41. The cannonical forms of  benzene were proposed by _____________

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42. The major product in the nitration of nitrobenzene is ____________

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43. Two factors that affect the boiling point of a substance are ________ and _________

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44. Down the group, electronegativity

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45. Hydrogen no - bond resonance is otherwise called _____________

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46. 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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47. In terms of steric effect,  conformational isomer is __________ more stable.

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48. The dehydrohalogenation of alkyl halides yields __________

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49. Sulphonation of benzene yields ___________

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50. The parent compound of polynuclear hydrocarbons is ___________

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