CHEM-100 Unit 7-9 & 12 Quick Memorization Frogger

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Fast recall on organic basics

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Daisy Cedillo

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CHEM-100 Unit 7-9 & 12 Quick Memorization Frogger


Froggy Jumps CHEM-100 Unit 7-9 & 12 Quick Memorization FroggerVersion en ligne Fast recall on organic basics par Daisy Cedillo 1 1. Alkanes follow which general formula? a C_nH_2n+1 b C_nH_2n-2 c C_nH_2n+2 2 2. Alkenes and cycloalkanes use which general formula? a C_nH_2n b C_nH_2n+1 c C_nH_2n+2 3 3. Alkynes use which general formula? a C_nH_2n+2 b C_nH_2n-2 c C_nH_2n 4 4. Complete combustion example formula for an alkane (general)? a C_nH_2n+2 → CO_2 + H_2 b C_nH_2n+2 + O_2 → CO_2 + H_2O c C_nH_2n+2 + O_2 → CO + H_2O 5 5. Halogenation of alkanes yields what product type? a alcohols b alkynes c haloalkanes (alkyl halides) 6 6. Halogenation of alkenes yields what process? a dehydration b halogenation across the double bond c hydrogenation 7 7. Draw condensed structure for 3-isopropyl-5-methylcyclooctene. (which type of compound?) a Aromatic ring b Alkyne c Alkene with cyclooctene ring 8 8. What is the structure of 2,2,5,5-tetramethyl-3-hexyne? a Alkyne with four methyls at 2 and 5 b Ketone with two ethyl groups c Cycloalkane with extra methyls 9 9. Why can’t 1,1-dibromo have a cis-trans isomer? a Both bromos on same carbon (not stereoisomeric) b Bromine atoms too large c Double bond prevents isomerism 10 10. R in R-CHO designates what group? a Carboxyl group b Formyl group (aldehyde) c Alcohol group 11 11. For an ester, what is the product when a carboxylic acid reacts with an alcohol? a Alcohol + acid salt b Alcohol + acid c Ester + water (condensation) 12 12. What is the IUPAC name for CH3-CH2-CH2-COOH? a Propanoic acid b Pentanoic acid c Butanoic acid 13 13. Benzoic acid is an example of which functional group? a Aldehyde b Carboxylic acid c Ester 14 14. The Tollens test gives which observation? a Silver mirror forms b Blue solution c Brick-red precipitate 15 15. Benedict’s test indicates reducing sugars by giving what color? a Green b Blue c Brick-red or orange precipitate 16 16. Aromatic compounds contain what ring? a Cyclohexane ring b Benzene ring c Pyridine ring 17 17. Phenol is best described as a derivative of which ring? a Cyclohexane ring b Naphthalene ring c Benzene ring with –OH 18 18. What is the common name for CH3-CH2-CH2-CH2-CH3 with OH on end? a 1-pentanol (pentanol) b 2-pentanol c pentanoic acid 19 19. Which is an ether? a Diethyl ether (CH3CH2–O–CH2CH3) b Ethanal (acetaldehyde) c Ethene (ethylene) 20 20. Which statement describes an aldehyde? a C=O with H on the carbonyl carbon b C=O with OH c C≡O triple bond 21 21. Which functional group is present in carboxylic acids? a Amino group (–NH2) b Carboxyl group (–COOH) c Hydroxyl group (–OH) 22 22. Which statement about esters is true? a They are alcohols b They are derivatives of carboxylic acids c They are alkanes 23 23. Identify the product of acid hydrolysis of an amide? a Alkane + CO2 b Carboxylic acid salt + ammonium c Alcohol + amine 24 24. In amino acids, what is unique about glycine? a It is hydrophobic b It has a sulfur atom c It has a hydrogen as side chain 25 25. What is a zwitterion? a Molecule with both positive and negative charges b Molecule with only a dipole c Molecule with neutral charge 26 26. Name the following: CH3-CH2-NH2 a ethylamide b ethylamine c ethylamine oxide 27 27. Name the following amide: CH3-CO-NH-CH3 a N-ethylpropanamide b N-methylpropanamide c N-methylpropanoate 28 28. Which sugar is a hexose? a Glucose (e.g., C6H12O6) b Ribose c Fructose (pentose) 29 29. Which fatty acid category does oleic acid belong to? a Monounsaturated fatty acid b Saturated fatty acid c Polyunsaturated fatty acid 30 30. Which group differentiates a wax from a fatty acid? a Waxes have long-chain esters with long alcohols b Waxes are always cyclic c Waxes have no esters 31 31. What is the general formula for alkanes named 2-methylpentane? a C5H12 b C7H16 c C6H14 32 32. What is the IUPAC prefix for a cyclohexane with a methyl substituent? a ethylcyclohexane b methylcyclohexane c methylcyclopentane 33 33. What is the product of dehydration of an alcohol? a Alkene + water b Carboxylic acid c Alcohol + water 34 34. In Fischer projections, what does a D-isomer indicate? a Right-handed configuration for highest-numbered chiral center b Left-handed configuration c R stereochemistry 35 35. What is the function of Tollens’ reagent? a Tests for aldehydes (silver mirror forms) b Tests for carboxylic acids c Tests for ketones 36 36. Primary amines have what amino group attachment? a One alkyl group on N with two hydrogens b No hydrogens on N c Two alkyl groups on N 37 37. What is the product of acid hydrolysis of an ester? a Alcohol and alkane b Carboxylic acid and alcohol c Ether and water 38 38. What type of isomerism do cis-trans refer to? a Geometric isomerism around double bonds b Structural isomerism c Optical isomerism 39 39. Which statement is true for carboxylic acids in water? a They are always fully protonated b They can form carboxylate anions c They do not ionize in water 40 40. Identify the correct oxidation product for a primary alcohol. a Carboxylic acid directly b Aldehyde (then acid on further oxidation) c Ketone 41 41. Which reagent is used for esterification? a Alcohol + carboxylic acid with acid catalyst b Strong base only c Base + water 42 42. Naming alkenes: what ends a name for an alkene with two substituents? a -ane b -yne c -ene 43 43. What suffix denotes alkynes in IUPAC naming? a -ol b -yne c -ane 44 44. What is the IUPAC name for CH3-CH2-O-CH3? a Methoxymethane b Ethyl acetate c Dimethyl ether 45 45. What functional group is present in an ether? a –OH hydroxyl b C–O–C linkage c C=O carbonyl 46 46. What is the product when cyclohexanone reacts with HCN? a Hydroxynitrile (cyano-ketone) b Alcohol c Carboxylic acid 47 47. Which compound is an aldehyde? a Acetic acid b Acetone c Ethanal (acetaldehyde) 48 48. Which compound is a ketone? a Butanal b Ethanal c Propanone (acetone) 49 49. What is the product of oxidation of primary alcohol to carboxylic acid? a Aldehyde b Alcohol c Carboxylic acid 50 50. What is a disaccharide? a Two disaccharides b Polypeptide c Two monosaccharides linked 51 51. What makes an aromatic ring aromatic? a Conjugated π electrons in a stable cyclic system b Single bonds only c Nonplanar structure 52 52. Which is a secondary amide example? a N,N-dimethylamide b N-methylpropane amide c R-CO-NH-R' with one H on N? 53 53. Which statement describes a zwitterion in amino acids? a Molecule with no charge b Molecule with both positive and negative charges c Molecule with net positive charge only 54 54. Which is a correct carboxylic acid salt formation with NaOH? a R-COO^- Na^+ + H_2O b R-COOH + NaOH c R-COONa + H_2O2 55 55. The hydrolysis of esters in base (saponification) yields what? a Alcohol + water b Carboxylic acid + aldehyde c Carboxylate salt + alcohol 56 56. Are amino acids classified by number of alkyl groups on nitrogen? a Yes: primary, secondary, tertiary b Only primary c No 57 57. Which term describes the specific arrangement of atoms in a fast favorite from the study guide? a Isomer b Ion c Salt 58 58. What is a disaccharide made of? a One monosaccharide b Two disaccharides c Two monosaccharides linked 59 59. Which reagent is used to test for aldehydes via silver mirror? a Tollens’ reagent b Fehling’s solution c Benedict’s reagent 60 60. What is the product of esterification’s reverse hydrolysis? a Alkane + water b Carboxylic acid + alcohol c Ester + water

CHEM-100 Unit 7-9 & 12 Quick Memorization Frogger

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CHEM-100 Unit 7-9 & 12 Quick Memorization FroggerVersion en ligne

par Daisy Cedillo

1. Alkanes follow which general formula?

2. Alkenes and cycloalkanes use which general formula?

3. Alkynes use which general formula?

4. Complete combustion example formula for an alkane (general)?

5. Halogenation of alkanes yields what product type?

6. Halogenation of alkenes yields what process?

7. Draw condensed structure for 3-isopropyl-5-methylcyclooctene. (which type of compound?)

8. What is the structure of 2,2,5,5-tetramethyl-3-hexyne?

9. Why can’t 1,1-dibromo have a cis-trans isomer?

10. R in R-CHO designates what group?

11. For an ester, what is the product when a carboxylic acid reacts with an alcohol?

12. What is the IUPAC name for CH3-CH2-CH2-COOH?

13. Benzoic acid is an example of which functional group?

14. The Tollens test gives which observation?

15. Benedict’s test indicates reducing sugars by giving what color?

16. Aromatic compounds contain what ring?

17. Phenol is best described as a derivative of which ring?

18. What is the common name for CH3-CH2-CH2-CH2-CH3 with OH on end?

19. Which is an ether?

20. Which statement describes an aldehyde?

21. Which functional group is present in carboxylic acids?

22. Which statement about esters is true?

23. Identify the product of acid hydrolysis of an amide?

24. In amino acids, what is unique about glycine?

25. What is a zwitterion?

26. Name the following: CH3-CH2-NH2

27. Name the following amide: CH3-CO-NH-CH3

28. Which sugar is a hexose?

29. Which fatty acid category does oleic acid belong to?

30. Which group differentiates a wax from a fatty acid?

31. What is the general formula for alkanes named 2-methylpentane?

32. What is the IUPAC prefix for a cyclohexane with a methyl substituent?

33. What is the product of dehydration of an alcohol?

34. In Fischer projections, what does a D-isomer indicate?

35. What is the function of Tollens’ reagent?

36. Primary amines have what amino group attachment?

37. What is the product of acid hydrolysis of an ester?

38. What type of isomerism do cis-trans refer to?

39. Which statement is true for carboxylic acids in water?

40. Identify the correct oxidation product for a primary alcohol.

41. Which reagent is used for esterification?

42. Naming alkenes: what ends a name for an alkene with two substituents?

43. What suffix denotes alkynes in IUPAC naming?

44. What is the IUPAC name for CH3-CH2-O-CH3?

45. What functional group is present in an ether?

46. What is the product when cyclohexanone reacts with HCN?

47. Which compound is an aldehyde?

48. Which compound is a ketone?

49. What is the product of oxidation of primary alcohol to carboxylic acid?

50. What is a disaccharide?

51. What makes an aromatic ring aromatic?

52. Which is a secondary amide example?

53. Which statement describes a zwitterion in amino acids?

54. Which is a correct carboxylic acid salt formation with NaOH?

55. The hydrolysis of esters in base (saponification) yields what?

56. Are amino acids classified by number of alkyl groups on nitrogen?

57. Which term describes the specific arrangement of atoms in a fast favorite from the study guide?

58. What is a disaccharide made of?

59. Which reagent is used to test for aldehydes via silver mirror?

60. What is the product of esterification’s reverse hydrolysis?