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32. Which of the following terms best describes nylon? A) natural fibre B) synthetic protein C) condensation polymer D) natural polyamide

32. Which of the following terms best describes nylon? A) natural fibre B) synthetic protein C) condensation polymer D) natural polyamide

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Answer Q32, 33, 34 showing detailly all explanations

Questions 28-30 The structural formula tur alutamic acid is 29. When CH CN is refluxed with aqueous KOFH the prinicipa organic product is A) CH OH C) CH CONH, Dy CH CH OH 30. Which one of the following substances shows amphoteric character most prominently? A) CH COONH, B) C,H,NH, C) CH CONH D) H.NCH COOH C-CH CH-CH1- HO B) CH COO NH. 23. The systamic name for glutamic acid is A) 4 - amino pentanedioic acid B) 2- aminopenta -1, 5- dioic acid C) 2 - amino propan - 1, 3 - dioic acid D) 4 - amino pentan -1,5 - dioic acid HO 24. In what major class of organic compounds D) dipetide 25. What is the structure of the more common form of this compound in aqueous solution does glutamic acid belong? A) amino acids. B) dicarboxylic acids C) proteins 31. Which of the following is, the main organic product when ammonium propanoate is heated with P O, ? A) ethanenitrile B) propanamide C) propanenitrile D) propanoic acid -CH-CH-GİI-C 32. Which of the following terms best describes nylon? A) natural fibre A) NH, B) synthetic protein C) condensation polymer D) natural polyamide B) CH-CH- CH- NH, HO 33. Aminoethanoic acid, H,NCH COOH, (Mr=75) melts at 234°C, whereas propanoic acid CH,CH COOH, (Mr = 74) melts at - 21 C. Which of the following statements helps to explain this difference? Amino ethanoic acid molecules are; A) hydrogen bonded B) dimarized C) having dipole-dipole intereaction D) having a dipolar ion struclure. C-CH-CH- HO NH, CH-CH +2H NH, Questions 26 and 27 Consider the reaction NaNO, (ag).H CH CH,CONH, R 34. What is the IUPAC namefor the compound with structure 26. Give the reagents for step "a" A) Br/OH(aq) C) NaOH 27. The structural formula of R and S are repectively A) CH,CH CH NH, and CH,CH,CH,N, B) CH CH NH, and CH,CH C) CH CH NH, and CH CH.OH D) CH,CH CH NH, and CH,CH.CH,OH B) HNO, D) HCI(aq) CH,CHCH,? CN A) 2-propanenitrile B) propane - 2- nitrile C) 2 - butanenitrile C) 2- methylpropanenitrile 35. Which one of the following reagents would be the most suitable for carrving out the conversion below 28. The order of increasing strength as bases for aimethylamine, methylamine and phenylamine is A) dimethylamine, methylamine and phenylamine B) methylamine, dimethylamine and phenylamine C) phenylamine, dimethylamine and methylamine D) pheylamine, methylamine and dimethylamine H,C-(O N C A) chlorine gas in sunlight B) chlorine gas and a halogen carrier C) copper!l) chloride and hydrochloric acid D) phosphorus pentachloride. HC-O CI 363
Transcribed Image Text:Questions 28-30 The structural formula tur alutamic acid is 29. When CH CN is refluxed with aqueous KOFH the prinicipa organic product is A) CH OH C) CH CONH, Dy CH CH OH 30. Which one of the following substances shows amphoteric character most prominently? A) CH COONH, B) C,H,NH, C) CH CONH D) H.NCH COOH C-CH CH-CH1- HO B) CH COO NH. 23. The systamic name for glutamic acid is A) 4 - amino pentanedioic acid B) 2- aminopenta -1, 5- dioic acid C) 2 - amino propan - 1, 3 - dioic acid D) 4 - amino pentan -1,5 - dioic acid HO 24. In what major class of organic compounds D) dipetide 25. What is the structure of the more common form of this compound in aqueous solution does glutamic acid belong? A) amino acids. B) dicarboxylic acids C) proteins 31. Which of the following is, the main organic product when ammonium propanoate is heated with P O, ? A) ethanenitrile B) propanamide C) propanenitrile D) propanoic acid -CH-CH-GİI-C 32. Which of the following terms best describes nylon? A) natural fibre A) NH, B) synthetic protein C) condensation polymer D) natural polyamide B) CH-CH- CH- NH, HO 33. Aminoethanoic acid, H,NCH COOH, (Mr=75) melts at 234°C, whereas propanoic acid CH,CH COOH, (Mr = 74) melts at - 21 C. Which of the following statements helps to explain this difference? Amino ethanoic acid molecules are; A) hydrogen bonded B) dimarized C) having dipole-dipole intereaction D) having a dipolar ion struclure. C-CH-CH- HO NH, CH-CH +2H NH, Questions 26 and 27 Consider the reaction NaNO, (ag).H CH CH,CONH, R 34. What is the IUPAC namefor the compound with structure 26. Give the reagents for step "a" A) Br/OH(aq) C) NaOH 27. The structural formula of R and S are repectively A) CH,CH CH NH, and CH,CH,CH,N, B) CH CH NH, and CH,CH C) CH CH NH, and CH CH.OH D) CH,CH CH NH, and CH,CH.CH,OH B) HNO, D) HCI(aq) CH,CHCH,? CN A) 2-propanenitrile B) propane - 2- nitrile C) 2 - butanenitrile C) 2- methylpropanenitrile 35. Which one of the following reagents would be the most suitable for carrving out the conversion below 28. The order of increasing strength as bases for aimethylamine, methylamine and phenylamine is A) dimethylamine, methylamine and phenylamine B) methylamine, dimethylamine and phenylamine C) phenylamine, dimethylamine and methylamine D) pheylamine, methylamine and dimethylamine H,C-(O N C A) chlorine gas in sunlight B) chlorine gas and a halogen carrier C) copper!l) chloride and hydrochloric acid D) phosphorus pentachloride. HC-O CI 363
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