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nmr-spectroscopy

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22 Questions

Votes Activity Newest Views
3
17
votes
1
answer
35k
views

Why does Nitrogen form N₂ (and not N₄) while but Phosphorus forms P₄ (and not P₂)?

bond
Aug 4 '18 at 21:23 Community♦ 1
1
12
votes
2
answers
3k
views

Bromination of 1,3,5-cyclooctatriene followed by nucleophilic substitution by excess dimethylamine

organic-chemistry reaction-mechanism halides nucleophilic-substitution
Apr 18 '18 at 11:46 Community♦ 1
6
8
votes
1
answer
11k
views

Hardness and softness are terms used to describe which aspect of acidic behaviour?

hsab
Jan 28 '17 at 17:38 prashant 1
 
7
votes
2
answers
2k
views

Why does no Robinson Annulation occur after the Michael addition?

organic-chemistry reaction-mechanism carbonyl-compounds
Feb 26 '18 at 2:05 Gaurang Tandon 8,246
 
6
votes
2
answers
29k
views

How to assign the signals in the H-NMR of Aspirin?

nmr-spectroscopy
Oct 28 '14 at 22:53 ron 78.7k
 
5
votes
2
answers
1k
views

What splitting pattern is this?

spectroscopy nmr-spectroscopy
Jul 1 '18 at 4:01 Gaurang Tandon 8,246
 
5
votes
1
answer
805
views

Show the vibrational frequency of fluorine molecule anion is much lower than that of fluorine molecule

bond quantum-chemistry molecular-orbital-theory orbitals
Mar 4 '18 at 2:38 Avyansh Katiyar 4,860
 
5
votes
1
answer
312
views

Reaction of CpFe(CO)2Cl with phenyllithium

organometallic-compounds
Apr 1 '17 at 16:17 orthocresol♦ 57.5k
1
4
votes
1
answer
1k
views

Dehydration of secondary alcohol via E1 mechanism

organic-chemistry reaction-mechanism alcohols
Jun 25 '18 at 5:51 Community♦ 1
 
3
votes
1
answer
2k
views

Assigning 1H NMR spectrum and predicting peak coupling patterns for 2H-1-benzopyran-2-one

nmr-spectroscopy
Nov 9 '16 at 12:57 Community♦ 1
 
3
votes
1
answer
504
views

Why it is not yet possible to produce ethanol selectively in the Fischer Tropsch reaction?

organic-chemistry synthesis catalysis
Mar 11 '16 at 22:24 mhchem 3,240
 
3
votes
1
answer
2k
views

Synthesis of Pseudopelletierine, Mannich reaction base catalysed

organic-chemistry reaction-mechanism synthesis
Nov 7 '14 at 19:58 jerepierre 9,927
 
3
votes
1
answer
619
views

HNMR Assignment

spectroscopy nmr-spectroscopy
Oct 18 '14 at 21:33 Community♦ 1
 
2
votes
2
answers
770
views

Assigning Carbon NMR

organic-chemistry nmr-spectroscopy
May 16 '15 at 5:18 Community♦ 1
 
2
votes
2
answers
1k
views

What is the oxidation state of all the atoms in this compound, W(CH3CN)3(CO)3?

oxidation-state
Feb 14 '15 at 8:18 Del Pate 2,047
 
2
votes
1
answer
2k
views

Suggest possible structures for the compound PF3(Ph)(NMe2) using the NMR data

nmr-spectroscopy
Nov 2 '14 at 19:31 Community♦ 1
 
1
vote
1
answer
921
views

Reactions involving trimethylaluminium Al2Me6 [closed]

stoichiometry
Apr 8 '17 at 16:38 M.A.R. 9,730
1
1
vote
1
answer
48
views

Which ligands would be exchanged in this reaction?

coordination-compounds
Nov 4 '14 at 0:17 ron 78.7k
1
1
vote
1
answer
3k
views

How can the 18 electron rule be used to explain that Fe(η5-C5H5)2 doesn't react with hydrogen but Ni(η5-C5H5)2 does?

electrons electronic-configuration coordination-compounds hydrogen
Oct 27 '14 at 22:10 Philipp 16.6k
 
1
vote
2
answers
8k
views

Which has the higher chemical shift E/Z alkene?

nmr-spectroscopy
Oct 23 '14 at 3:13 long 11.5k
 
1
vote
1
answer
187
views

Mass Spectroscopy peak assignments in but-3-en-1-ol

mass-spectrometry
Oct 20 '14 at 19:09 Klaus-Dieter Warzecha 41.9k
 
0
votes
1
answer
7k
views

Describe the bonding in a tribromide anion, what is its structure?

inorganic-chemistry molecular-structure lewis-structure
Feb 6 '19 at 20:50 andselisk♦ 32.4k
Chemistry
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