Question
organic chem 2
Which of the following is not a criteria aromaticity? The system must certain 4n + 2 pi electrons all atoms in the aromatic system must be sp^2 The system must be cyclic and conjugated The ring must be planar NCR The species that is considered to be the active agents in nitration of the aromatic ring is. NO_2^-NO_2 ONO_2^-^+NO_3 NCR Consider the following reaction sequence and identify the final product. Benzone + HNO_3^H_2SO_4 implies A^Br2/Fe implies B 1-bromobenzene sulfonic acid 2-bromonitrobenzene sulfonic acid 1-bromo-3-nitrobenzene m-bromobenzene sulfonic acid NCR All the following are reducing disaccharides except. sucrose cellobiose lactose maltose is an amino acid without a chiral center. Proline cystine glutamine glycine In the acid catalyzed ring opening of epoxides, the nucleophile attacks the: more substituted carbon of the epoxide more substituted carbon of the epoxide oxygen of the epoxide oxygen of the ring opened product The reaction of a Crignard reagent with will yield a alcohol. An ester/2 degree formaldehyde/3 degree an acyl halide/2 degree a ketone/3 degree NCR Loratidine is the active ingredient in the antihistamine Claritine, Mass spectral analysis of loratidine shows M^+ at m/x = 382 M^+ at m/z = 384 in an approximate ratio of 3.1 in intensity. Flucrine chlorine bromine Iodine NCR
Explanation / Answer
65.b
67. a. NO2+
69. c 1-bromo-3-nitrobenzene
71.sucrose
73. c.glycine
74.c.
77.d.