Jan
  • Member for 7 years, 5 months
  • Last seen this week
  • Hesse, Germany
4 answers
66 votes
31k views
23 bookmarks
Why do elements in columns 6 and 11 assume 'abnormal' electron configurations?
1 answers
64 votes
10k views
38 bookmarks
Why does F replace the axial bond in PCl5?
3 answers
56 votes
11k views
7 bookmarks
Why do we write NH3?
6 answers
55 votes
11k views
14 bookmarks
The last element's atomic number
2 answers
51 votes
16k views
15 bookmarks
Regioselectivity of acid-catalyzed ring-opening of epoxides
2 answers
41 votes
22k views
12 bookmarks
How can the dipole moment of carbon monoxide be rationalised by molecular orbital theory?
1 answers
38 votes
1k views
5 bookmarks
Relativistic effect: d-electrons in metallorganic complexes
3 answers
34 votes
11k views
8 bookmarks
Does O2 have a color in the gas phase
1 answers
34 votes
5k views
10 bookmarks
Stereoselectivity of dihydroxylation with osmium tetroxide
1 answers
33 votes
3k views
21 bookmarks
Is there an energy cost associated with flipping the spin of an electron?
1 answers
31 votes
20k views
9 bookmarks
Why does the unstabilised Wittig reaction selectively form cis alkenes?
3 answers
31 votes
12k views
6 bookmarks
Are there non-transparent gases?
1 answers
30 votes
3k views
6 bookmarks
Unusual Friedel–Crafts alkylation with pivaloyl chloride
1 answers
26 votes
843 views
8 bookmarks
Do vinyl cations adopt a classical or non-classical structure?
1 answers
26 votes
15k views
5 bookmarks
Why doesn't the SeO2 oxidation of ketones stop at the hydroxyketone stage?
1 answers
25 votes
56k views
12 bookmarks
What is the role of sulfuric acid and mercury(II) sulfate in the oxymercuration of alkynes?
1 answers
25 votes
308 views
2 bookmarks
How were old style stereographic structures produced?
1 answers
23 votes
1k views
9 bookmarks
Why do we have an alkyl shift rather than epoxidation in a pinacol reaction?
3 answers
23 votes
2k views
10 bookmarks
What is Y-aromaticity? Is the trinitromethanide anion aromatic?
2 answers
23 votes
8k views
13 bookmarks
PBP vs TBP geometry?
1 answers
22 votes
5k views
13 bookmarks
Molecular chirality and optical rotation
5 answers
22 votes
5k views
6 bookmarks
Can gases be "immiscible"?
2 answers
22 votes
7k views
3 bookmarks
Usage of ammine vs amine in nomenclature
1 answers
21 votes
2k views
6 bookmarks
Why does tin form tin (II) compounds?
1 answers
21 votes
2k views
4 bookmarks
Is a compound aromatic if it also has anti-aromatic rings?
2 answers
21 votes
4k views
7 bookmarks
Why is the endo product the major product in a Diels-Alder reaction?
1 answers
20 votes
5k views
4 bookmarks
What is the nature of the bonding in cyclotriphosphazene?
2 answers
20 votes
4k views
6 bookmarks
Jahn-Teller Distortions in Square Planar Complexes?
4 answers
19 votes
13k views
4 bookmarks
Addition of HOBr across C=C
1 answers
19 votes
2k views
3 bookmarks
Multiplet shape in proton NMR of morpholines
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