Organic Chemistry Answers

Finish the reaction: C,H,OH+PCI (Conditions for nucleophilic substitution are optimal

A) C₂H/CI+H₂PO4

B) C3H/CI+H3PO3

C) C3H7CI+PCI+H₂O

D) C3H7Cl+POCI3

What is the common name for the class of compounds like RRC-N-NH₂?

A) imine

B) oxime

C) hydrazone

D) hemiacetal

Which of the following is the strongest acid?

A) butanoic acid

B) 2-methyl-propanoic acid

C) 2-fluoro-butanoic acid

D) 4-chloro-butanoic acid

Which of the following disaccharides is a non-reducing sugar?

A) lactose

B) sucrose

C) cellobiose

D) maltose

Which of the following is diprotic (dioic) acid?

A) ketovaleric acid

B) acetoacetic acid

C) glyoxalic acid

D) oxalolacetic acid

Which of the following fatty acids corresponds to A9.12.15 -all cis, 18:3?

A) palmitoleic

B) arachidonic

C) linoleic

D) linolenic

Ceramides are:

A) primary amines

B) esters

C) primary amides

D) secondary amides

A (cell) membrane phospho-glycero-lipid may contain glycerol residue and...

A) Residues of sn-1: phosphoric acid, sn-2: fatty acid, sn-3: fatty acid

B) Residues of sn-1: fatty acid, sn-2: fatty acid, sn-3: phosphoric acid alcohol

C) Residues of sn-1: hydroxyl, sn-2: fatty acid, sn-3: saccharide and amino

D) Residues of sn-1: fatty acid, sn-2: phosphoric acid, sn-3: saccharide

Which of the following is the major product of nucleophilic addition-elimination reaction of an acyl chloride with a primary alcohol?

OA) acyl anhydride

OB) carboxylic acid

OC) ester

D) amide

Without consulting pK,/pK, tables, find the weakest base among the heterocyclic compounds

given below.

A) pyridine

B) imidazole

C) pyrimidine

D) pyrrole