MasteringChemistry Ch 8-Google Chrome https://session.masteringchemistry.com/myc

Question

MasteringChemistry Ch 8-Google Chrome https://session.masteringchemistry.com/myct/itemView?assignmentProblemID-73477790 HEM 333 Fall201 h8 Item 3 Item 3 Part A What is the definition of carbene? An uncharged reactive intermediate that contains a C atom with 6 valence electrons An alkene that is severely twisted out-of-plane Adalkene that had been adsorbed onto the surface of a precious metal catalyst An organic compound containing both a positive and negative charge Submit Hints My Answers Give Up Review Part

Explanation / Answer

A carbene is a Carbon charged...

H2C:

is a good example, for this case, the carbon has 6 valence electrons so:

choose the first option

PART A

for a chiral product, expect a product that respect Z arrangement,

this should b O3 and then (CH3)2S

since the ozone will oxidize the center and addition of Sulfur will favour cis/trans configurations

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