Chapter 1 Bioinformatics Exercise 1 2 Assessment Questions 1 What Is The Molecular Weight Of Vitamin C To 5 Significan 1 (30.78 KiB) Viewed 188 times
Chapter 1 Bioinformatics Exercise 1 2 Assessment Questions 1 What Is The Molecular Weight Of Vitamin C To 5 Significan 2 (55.89 KiB) Viewed 188 times
Chapter 1 Bioinformatics Exercise 1 2 Assessment Questions 1 What Is The Molecular Weight Of Vitamin C To 5 Significan 3 (55.89 KiB) Viewed 188 times
Chapter 1 Bioinformatics Exercise 1 2 Assessment Questions 1 What Is The Molecular Weight Of Vitamin C To 5 Significan 4 (29.86 KiB) Viewed 188 times
Chapter 1: Bioinformatics Exercise 1.2 Assessment Questions 1. What is the molecular weight of vitamin C to 5 significant figures? A 176 124 g/mol 8. 176.1 g/mol C. 176.12 g/mol D. 176.13 g/mol 2. Why do the mass and exact mass of vitamin C differ? A. The exact mass does not consider the mass of the electrons. 8. The exact mass is obtained from theoretical calculations, while the mass is experimentally obtained using an analytical balance C. The exact mass term includes contributions from the stable isotopes of all elements in the molecule, while the mass term considers only the most abundant isotope of each element D. The mass term includes contributions from the stable isotopes of all elements in the molecule, while the exact mass term considers only the most abundant isotope of each element 3. Which of the following functional groups is not present in vitamin C? A tertiary alcohol B. secondary alcohol on an sp hybridized carbon Csecondary alcohol on an sp hybridized carbon D. primary alcohol 4. According to IUPAC rules, which of the following atoms is a chiral center (note, a furan is an aromatic 5 membered heterocycle)? A Atom 1 of the dihydrofuran ring and carbon 1 of the dihydrothy substituent 8. Atom 1 of the dihydrofuran ring and carbon 5 of the dihydrovyethyl substituent C Atom 5 of the dihydrofuran ring and carbon 2 of the dihydroxyethyl substituent D. Atom 5 of the dihydrofuran ring and carbon 1 of the dihydroxyethyl substituent Chapter 1: Bioinformatics Exercise 1.2 5. Which of the following functional groups most appropriately describes the type of acyl group in vitamin C? A lactone 8. lactam C. ester D. ether 6. Which of the following statements best describes the hybridization of vitamin C? A Vitamin C has 3 sp² and 3 spl hybridized carbons 8. Vitamin C has 3 sp² and 2 sp hybridized carbons C Vitamin C has 2 sp² and 4 sp hybridized carbons. D. Vitamin C has 2 sp² and 3 sp hybriduzed carbons. 7. Which of the following statements best describes the modified furan ring of vitamin C? A The chiral center and double bond are conjugated 8. The other group and double bond are conjugated C. The carbonyl group and double bond are conjugated. D. The carbonyl group and chiral center are conjugated.
1. What is the molecular weight of vitamin C to 5 significant figures? A. 176.124 g/mol B. 176.1 g/mol C. 176.12 g/mol D. 176.13 g/mol 2. Why do the mass and exact mass of vitamin C differ? A. The exact mass does not consider the mass of the electrons. B. The exact mass is obtained from theoretical calculations, while the mass is experimentally obtained using an analytical balance. C. The exact mass term includes contributions from the stable isotopes of all elements in the molecule, while the mass term considers only the most abundant isotope of each element. D. The mass term includes contributions from the stable isotopes of all elements in the molecule, while the exact mass term considers only the most abundant isotope of each element. 3. Which of the following functional groups is not present in vitamin C? A. tertiary alcohol B. secondary alcohol on an sp³ hybridized carbon C. secondary alcohol on an sp² hybridized carbon D. primary alcohol 4. According to IUPAC rules, which of the following atoms is a chiral center (note, a furan is an aromatic 5 membered heterocycle)? A. Atom 1 of the dihydrofuran ring and carbon 1 of the dihydroxyethyl substituent B. Atom 1 of the dihydrofuran ring and carbon 5 of the dihydroxyethyl substituent C. Atom 5 of the dihydrofuran ring and carbon 2 of the dihydroxyethyl substituent D. Atom 5 of the dihydrofuran ring and carbon 1 of the dihydroxyethyl substituent
5. Which of the following functional groups most appropriately describes the type of acyl group in vitamin C? A. lactone B. lactam C. ester D. ether 6. Which of the following statements best describes the hybridization of vitamin C? A. Vitamin C has 3 sp² and 3 sp³ hybridized carbons. B. Vitamin C has 3 sp² and 2 sp³ hybridized carbons. C. Vitamin C has 2 sp2 and 4 sp³ hybridized carbons. D. Vitamin C has 2 sp² and 3 sp³ hybridized carbons. 7. Which of the following statements best describes the modified furan ring of vitamin C? A. The chiral center and double bond are conjugated. B. The ether group and double bond are conjugated. C. The carbonyl group and double bond are conjugated. D. The carbonyl group and chiral center are conjugated.
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