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1 vote
2 answers
97 views

Drawing formal charges/ lone pairs?

I'm learning chemistry with Klein's Organic Chemistry as a second language right now: From all of the cases above (oxgen, nitrogen, and carbon), you can see why you have to know how many lone pairs ...
David222's user avatar
18 votes
2 answers
10k views

What is the "‡" symbol meaning in a reaction mechanism?

I was studying hydroboration from Clayden's Organic Chemistry [1, p. 1281] and the transition state had “‡” symbol in the upper right corner of the activated complex: We know that this is not the ...
One-Eye-Triangle's user avatar
12 votes
1 answer
9k views

What are SN1ʹ and SN2ʹ reactions?

I went through the problems 119 and 120 from chapter 4 Reaction mechanism of Singh's Conceptual problems in organic chemistry [1, p. 190] targeting nucleophilic substitution reactions for 3-bromo-3-...
Aditya Singh's user avatar
5 votes
0 answers
197 views

Side chain formation in polymerisation of ethylene

I am having difficulty understanding (or at least need confirmation of my understanding) of this diagram regarding the formation of sidechains of polyethylene. If someone could explain it, that would ...
Michael Mshtc's user avatar