A2 GROUP4 Answer Key Functional Groups Organic Chemistry

CHEMICAL BIOLOGY LECTURE ASSIGNMENT Functional 15 MAY 2021 Groups Group Number: Names: Lobetaña, Manalo, Mansilongan, Mariano, Mendez, Mendoza, Nacu, Nang, Olarte Yr/Blk: 1st Year – Block Faculty: Prof Nemia T Dacumos Identify the functional groups in each molecule a benzyl ester methyl phenyl phenyl methyl amine phenyl methyl methyl b carboxyl methyl phenyl V methyl phenyl methyl phenyl c benzyl benzyl V amide sulfide methyl phenyl methyl O phenyl amide carboxyl GROUP 1|P a ge V V CHEMICAL BIOLOGY LECTURE ASSIGNMENT Functional 15 MAY 2021 Groups What types of intermolecular forces are exhibited by each compound? a b hydrogen bond dipole-dipole interactions c d dipole-dipole interactions van der Waals forces Rank the following compounds in order of increasing strength of intermolecular forces: * being the lowest * a b 2 c d Intramolecular forces of attraction are often important in holding large molecules together For example, some proteins fold into compact shapes, held together by attractive forces between nearby functional groups A schematic of a folded protein is drawn here, with the protein backbone indicated by a blue-green ribbon, and various appendages drawn dangling from the chain What types of intramolecular forces occur at each labeled site (A–F)? GROUP 2|P a ge CHEMICAL BIOLOGY LECTURE ASSIGNMENT Functional 15 MAY 2021 Groups a van der Waals b hydrogen bonding c ion-ion d hydrogen bonding e hydrogen bonding f van der Waals Rank the compounds in each group in order of increasing boiling point * being the lowest * a b Rank the compounds in each group in order of increasing water solubility * being the lowest * a b GROUP 3|P a ge CHEMICAL BIOLOGY LECTURE ASSIGNMENT Functional 15 MAY 2021 Groups Which of the following molecules can hydrogen bond to another molecule of itself? Which can hydrogen bond with water? Can Hydrogen bond to itself Can hydrogen bond to water a CBr₃CH₃ no no b CH₃NH₂ yes yes c CH₃OCH₃ no yes d (CH₃CH2)₃N no no e CH₃CH₂CH₂CONH₂ yes yes f CH₃CH₂CH₂Cl no no g.CH₃SOCH₃ no yes h CH₃CH₂COOCH₃ no yes Predict the water solubility of each of the following organic molecules a b insoluble in water insoluble in water c soluble in water GROUP 4|P a ge ...CHEMICAL BIOLOGY LECTURE ASSIGNMENT Functional 15 MAY 2021 Groups What types of intermolecular forces are exhibited by each compound? a b hydrogen... some proteins fold into compact shapes, held together by attractive forces between nearby functional groups A schematic of a folded protein is drawn here, with the protein backbone indicated... occur at each labeled site (A–F)? GROUP 2|P a ge CHEMICAL BIOLOGY LECTURE ASSIGNMENT Functional 15 MAY 2021 Groups a van der Waals b hydrogen bonding c ion-ion d hydrogen bonding e hydrogen bonding