Questions tagged [halides]
Chemical compounds that contain halogens (group 17 in the Periodic Table) as part of their chemical structure. This tag should only be applied where the halide group is one of the main focuses of the question.
607 questions
-1
votes
0
answers
30
views
Solubility of 2,3-dichlorobut-2-ene
Generally, cis isomers of alkenes have higher solubility in polar solvents as they have higher dipole moment than the corresponding trans isomers.
But according to some sources trans isomer of 2,3-...
5
votes
0
answers
162
views
What's the earliest this replacement for the Sandemyer reaction *could* have realistically been discovered?
A recent C&ENews article covered a recent Nature article reporting on an improvement of the well-known Sandemyer reaction for converting aryl amines into aryl halides.
The traditional Sandemyer ...
- 22.8k
3
votes
1
answer
221
views
Stereochemistry of cyclization
I cannot imagine how to rotate each bond in order to identify the final product. I tried assigning absolute configurations for each chiral center, and inverting only one of them (due to SN2):
However,...
- 31
0
votes
1
answer
59
views
Why does fructose not give bromine water test?
I know that ketones do not usually give bromine water test, but in fructose, the ketone can tautomerise to form aldehyde.
I believe most aldehydes give bromine water test..
While it gives positive ...
4
votes
0
answers
100
views
How slow does the stishovite form of silicon dioxide dissolve in concentrated HF?
Wikipedia's stishovite says
Stishovite can be separated from quartz by applying hydrogen fluoride (HF); unlike quartz, stishovite will not react.(7)
(7) New Mineral Names (original here, found here) ...
- 5,984
2
votes
1
answer
134
views
Why salts of hypoiodous acid like sodium hypoiodite has not been isolated as solid yet?
We have sodium hypochlorite which is packaged commercially as bleach. We have sodium hypobromite which is sold as laboratory chemical. But we don't have anything for sodium hypoiodite. Apparently, it ...
- 28.3k
1
vote
0
answers
106
views
How far can xenon keep bonding with fluorine?
I've been studying about the compounds of $\ce{Xe}$ with fluorine.
The most evident reactions are the formation of xenon fluorides:
$$\ce{\underset{[Xe in excess]}{Xe_{(g)}} + F2_{(g)} ->[673 K][1 ...
- 51
0
votes
0
answers
90
views
Why does PbCl4 exist but not BiCl5? [duplicate]
When I checked this question online, it said it was due to the inert pair effect. However, the inert pair effect also applies to PbCl₄, yet it still exists. Why?
Is it due to steric hinderance?
Edit: ...
- 1
0
votes
1
answer
104
views
What is the order of reactivity for nucleophilic aromatic substitution when different electron donating groups are attached?
A question from chapter haloalkanes and haloarenes dealing with aromatic substitution reaction is as follows:
Which of the following compounds is most reactive towards nucleophilic substitution ...
5
votes
2
answers
738
views
Supercooling of chlorobutanol
I’ve typically learned that/done recrystalizations by slowly cooling an almost saturated or saturated solvent. This makes sense, since slow cooling allows molecules more time to arrange into an ...
- 383
0
votes
0
answers
95
views
Colorful halides of Ge and Sn
While reading about elements of group 14 in a book, I came across the following text about their halides:
The tetrahalides are all colourless, volatile liquids, except for $\ce{SnI4}$, which is a ...
2
votes
2
answers
510
views
Mechanism of cyclopropane ring formation from malonate ester
I saw the following organic reaction:
I suppose the $\ce{C2H5ONa}$ is a catalyst, so the remaining two substances are the reactants. I understand that the halogen atoms are substituted, and that the ...
- 271
0
votes
1
answer
82
views
Number of stereoisomers of 1,2-dichloro-3-fluorocyclopropane
My approach was to list out every possible arrangement and figure out what were identical and what weren't. When both Cl are in the same plane, the compound becomes optically inactive hence from what ...
1
vote
0
answers
45
views
Is it possible to have an E1cb reaction with a partially fluorinated alkane with a carboxylate(-) end group?
Let's say we have a partially fluorinated alkane with a single CH2 that's attached to a carboxylate functional group on the end (i.e., CF3-(CF2)n-CH2-COO-). I know the COO- is electron withdrawing (as ...
- 645
3
votes
2
answers
226
views
Direct synthesis of nitrogen trichloride
$\ce{N2 + 3Cl2 -> 2 NCl3}$
Is this reaction possible at least at some temperature and pressure? For instance, with liquid chlorine?
Details
Thank you for the alternative routes of preparation but ...
- 41