Questions tagged [organic-chemistry]

Use this tag for questions relating to organic molecules and their properties (structure of organic molecules, spectroscopic properties, reaction mechanisms, stereochemistry etc). DO NOT use this tag as the only tag in your question, as this tag by itself cannot appropriately classify your question. Always use this tag in addition to other more specific tags.

Filter by
Sorted by
Tagged with
0
votes
0answers
10 views

What chemical or material could attract plastic?

I'm looking for a material that is affordable, around the 100 USD per kilogram. I'm thinking of a chemical that kind of attracts plastic like a magnet. Thanks!
-1
votes
0answers
6 views

Coordination Bond of metal nanoparticles [on hold]

Silver nanoparticles form coordination bond with cationic site at room temperature?
0
votes
0answers
14 views

How to calculate molecular emission spectra?

Is there free software which can calculate the fluorescence emission spectra of organic molecules? Let's say for example: rubrene There is a bunch of quantum free quantum chemistry software: https://...
-2
votes
0answers
23 views

Is isobutane found in the organic or aqueous layer of a sep. funnel? [on hold]

Is isobutane found in the organic or aqueous layer of a sep. funnel?
1
vote
1answer
75 views

Does energy come from fuel or oxygen? (surprise?)

Question: Is it oxygen or fuel that releases energy during burning? The answer from this article: Why Combustions Are Always Exothermic, Yielding About 418 kJ per Mole of O2 (Journal of Chemical ...
1
vote
1answer
30 views

Usage of TFA in Pfitzner-Moffat oxidation and Collins vs Jones oxidation

Is the addition of TFA in Pfitzner-Moffat oxidation to protonate the DCC to form a positive carbocation for the alcohol to attack? Or is there more to it? Why is TFA used and not other acids? Are ...
-1
votes
0answers
23 views

Speeding up the rusting/oxidation process of various metals using ferric chloride? [on hold]

So I have ferric chloride etching solution here is the datasheet for the product I have: https://download.altronics.com.au/files/datasheets_H0800D.pdf I have 4 types of metal; stainless steel metal, ...
0
votes
0answers
28 views

Last steps of mechanism of Swern Oxidation

My question is regarding Swern oxidation. Why is the methyl group of the DMSO deprotonated and not directly the red hydrogen atom of the R2-CH-O bond deprotonated? Shouldn't it be that oxygen more ...
0
votes
0answers
28 views

Synthesis of thiolated azo-derivatives

I am looking for a method to synthesis thiolated azo derivatives. I would like to start from methyl red and change carboxylic group to thiolated azo derivatives. How could I do that?
0
votes
1answer
29 views

Radical monobromination of cycloalkane

I'm trying to figure out the isomeric products of the radical monobromination of bicyclo[2.2.1] heptane. I'm not sure at which site the bromination would happen and what makes one site better than the ...
-4
votes
0answers
18 views

The product of the reaction is- [on hold]

Find the result of the image i have uploaded
1
vote
1answer
43 views

Theoretical p-Phenylenediamine synthesis

I am thinking on an alternative synthesis of pPDA, in which I need counsel. I was thinking about these easy reactions, and I want to ask if it can be done, or maybe you can hint me some reference. I ...
-1
votes
0answers
10 views

Reaction of alkynes with HBr gives vicinal or geminal dihalide? [on hold]

reaction of alkynes with HBr will give vicinal or geminal dihalide ?? How to check ?]
0
votes
1answer
47 views

Trans vs. cis, or Z vs. E

I am new to organic chemistry and am confused regarding the following question: Does the geometrical isomerism of 3-methyl-2-heptene fall into the category of trans vs. cis, or the category of Z vs. ...
-2
votes
1answer
27 views

What is prefix L for amino acids?

I know the "L" at the beginning of amino acids pointed out to show the substance is digestive. The thing I don't know is that what is the "L" stands for and how it works.
1
vote
2answers
43 views

Low or high enthalpy of combustion in relation to stability

I know that this is a very basic question, but I am new to chemistry and I cannot figure it out on my own: A combustion is always exothermic, so ΔH is negative. It says in my textbook that more ...
0
votes
0answers
13 views

Why does the hydride ion in LAH act as a nucleophile rather than a base in the reduction of carbonyl compounds? [duplicate]

Why does the $\ce{H-}$ ion in $\ce{LiAlH4}$ act as a nucleophile rather than a base in the reduction of carbonyl compounds ?? Because $\ce{H-}$ being a small ion would act as a better base than a ...
0
votes
1answer
24 views

Organic Chemistry - Reaction scheme and structures of molecules

Compound P and compound Q are straight-chain constitutional (structural) isomers with the molecular formula C5H12O. Compound P can form optical isomers, whereas compound Q cannot. When reacted with ...
2
votes
2answers
64 views

Why do chiral biological molecules only exist as one enantiomer? Does it have any advantage?

Why is it that chiral biological molecules are enantiomerically pure? The other enantiomer would have the same reactivity, and the only difference is their angle of rotation of plane polarized light. ...
2
votes
0answers
20 views

What's the mechanism behind mineral oil loosening cyanoacrylate bonds?

Per industry literature I found that mineral oil is used to loosen out "super glue" and aid in removal from skin. I am exploring the chemistry of this loosening and I am intrigued. Please help me find ...
1
vote
0answers
34 views

Heating of cyclic dicarboxylic acid [on hold]

How do we predict the products formed when we heat cyclic dicarboxylic acids? I know that in case of aliphatic dicarboxylic acids we apply Blanc's rule and predict the product formed based on the ...
2
votes
0answers
22 views

The effect of lactose monohydrate on acid-base extraction of tolterodine tartrate

I am doing an organic chemistry project for school in the form of an acid-base extraction of tolterodine tartrate (Detrol) in ammonium hydroxide (or sodium hydroxide, haven't decided yet) and ...
-4
votes
0answers
37 views

Acetaminofen + aceticacid yields

Ive used several balance equation calculators for the formula $$\ce{C8H9NO2 + CH3COOH}.$$ And i get as result $$\ce{C8H9NO2 + CH3COOH -> C9H13N + CH3COO + H2O}.$$ But when i mix the to reagents ...
3
votes
2answers
217 views

Number of optically active compounds among the products of ozonolysis

The number of optically active compound(s) obtained upon complete ozonolysis of the following optically active compound is In the question, I broke all the double bonds and added a $\ce{-CHO}$...
0
votes
1answer
23 views

Why do I need H20/H+ for nucleophilic attach by grignard reagent? [on hold]

In solving the below reaction, I am confused as to why H2O/H+ is needed when using a grignard reagent as a nucleophile..... Wouldn't the MgBr dissociate from the Alkane when dropped in a solvent and ...
1
vote
0answers
35 views

Nucleophilicity of amines [on hold]

I think the bridge head nitrogens won't react.The answer is B C A. Can someone help me, please
-5
votes
0answers
19 views

What is relation between molality and mole fraction [closed]

I need all details about chemistry and I want to be a good student in a chemistry subject
4
votes
0answers
47 views

Synthetic approach for precursor 1,1'-(bromomethylene)bis(1H-pyrazole) in ligand synthesis

Relevance During my Bachelor's project I focused on the synthesis of iron(II) complexes comprising a tetrapodal pentadentate ligand from the ligand family $\text{PY5R}_2\ (\text{R = H, Me, OH, OMe})$....
-1
votes
1answer
34 views

Methocel Hydration [on hold]

Need help understanding impact of temperature and content of water/glycol on strength (crush, attrition) of methocel (methyl cellulose) extrudates. In a given process, methocel is mixed at 150oF at ...
0
votes
1answer
57 views

Mechanism of 5‐(iodomethyl)oxolan‐2‐one synthesis from 4‐pentenoic acid and iodine in acetonitrile [on hold]

There is a question in my organic chemistry textbook with an answer. What it doesn't explain (and neither does my theory textbook, I checked) is the mechanism involved in the reaction. The reaction is ...
0
votes
1answer
67 views

Is scopolamine same as scopolamine hydrobromide?

Is scopolamine extracted with methanol or acetone from Datura or Brugmansia scopolamine free base or scopolamine hydrobromide? If you take a look at the Wikipedia page for hyoscine, the Synonyms part ...
4
votes
2answers
190 views

How to make 1,1-diphenyl-1-butene from benzophenone and 1-bromopropane?

I would like to know the method of syntheses of making 1,1-diphenyl-1-butene $(\ce{C16H16})$ from benzophenone $(\ce{(C6H5)2CO},$ generally abbreviated $\ce{Ph2CO})$ and 1-bromopropane $(\ce{...
-3
votes
0answers
18 views

Difference between α-D-glucose and β-D-glucose [duplicate]

What's the difference between alfa-D-glucose and beta-D-glucose? Thank you the explanation.
8
votes
1answer
96 views

Why won't this reaction work?

I'm trying to do a reaction with phenyl piperazine, triphosgene, and 4-bromophenol. However, every time I do this reaction I seem to get the carbonyl di-4-phenylpiperazine as a major product (based on ...
-4
votes
0answers
36 views

Oxymercuration reaction [closed]

I don't understand how to get to the product of this reaction:
2
votes
0answers
35 views

Why doesn't Grignard reagent attack alkyl halides [duplicate]

When we add magnesium to alkyl halide, Grignard reagent is formed. $$\ce{R-X + Mg -> RMgX } $$ It is highly nucleophilic in nature. Now at this time the electrophilic alkyl halide is also present ...
3
votes
1answer
56 views

Producing soap from sodium carbonate and oil

Can we get soap by mixing $\ce{Na2CO3}$ from seaweeds with oil? I am not good at chemistry and saw this in an anime Dr. Stone, so I just wanted to know if it is true or not.
1
vote
1answer
37 views

Synthesis of phenethyl alcohol from benzene

How can I make phenethyl alcohol $(\ce{C6H5CH2CH2OH})$ from benzene? I have got information that phenethyl alcohol is made from benzene by Friedel-Crafts reaction between benzene and ethylene oxide ...
2
votes
1answer
27 views

Inductive effect of alkyl ammonium groups

Why $\ce{-NR3+}$ has more -I effect than $\ce{-NH3+}?$ And what about order of $\ce{-NHR2+}$ and $\ce{-NH2R+}?$ My attempts I got idea about electronegativity of carbon atom in $\ce{R}$ is more ...
2
votes
1answer
55 views

Test for unsaturation

Ethene and ethyne can be distinguished by employing the test a. $\ce{Br2}$ in organic solvent b. Baeyer's test c. Phenyl hydrazine d. Tollen's reagant According to me it ...
-1
votes
0answers
18 views

Syngas to methanol [closed]

Could you offer an efficient/low cost way to convert variable syngas to methanol with high yield of productivity? (I am a beginner.) Thank you in advance.
2
votes
0answers
27 views

Geometry optimization with GAMESS. Why won't SCF converge?

I'm using GAMESS to run a geometry optimization on a thiourea molecule, using PM6. However, the output file keeps displaying the error message, "NO FORCE FIELD, SCF DOES NOT CONVERGE." Is there an ...
-4
votes
0answers
13 views

What is the peoduct of this reaction.P4+06----->? [closed]

What is the peoduct of this reaction.P4+06----->?
0
votes
0answers
21 views

How can vinyl chloride arise from treating 1,2-dichloroethane with a solution of potassium hydroxide in ethanol?

Liebig apparently created it that way (https://en.wikipedia.org/wiki/Vinyl_chloride#Production). However, googling I can not find chemical equation for such reaction, I only see ethene as result of ...
0
votes
2answers
65 views

Can someone please explain to me where the flaw is in my proposed synthesis mechanism?

For this I have to convert benzene into the product in the box using the reagents listed. The order of reagents that makes sense to me is IDGBEH. However, this is not the correct answer. Somewhere I ...
0
votes
0answers
17 views

Does double ended fatty acid exist? [duplicate]

A fatty acid consists of a carbon chain, with a carboxylic acid on one end, and just a hydrogen on the other. Does a substance with two carboxylic acid ends and no hydrogen end exist?
-1
votes
1answer
37 views

Nucleophilic substitution for the alkaline hydrolysis of ethyl acetate [closed]

Is this reaction $\mathrm{S_N1}$ or $\mathrm{S_N2}?$ $$\ce{CH3COOC2H5 + NaOH → CH3COONa + C2H5OH}$$
1
vote
0answers
14 views

Investigating the effect of solvents on the alkaline hydrolysis of ethyl acetate

In the following reaction, I believe a polar aprotic solvent like propanone will be more favorable since the partial negative charge on the oxygen atom in propanone will attract the sodium ion from ...
2
votes
0answers
23 views

Why do the induction effects of fluorobenzene decrease electrophilic addition reactivity, conjugation effects increase selectivity?

Fluorobenzene shows signs of both the electron withdrawing and electron donating groups on benzene. Electrophilic substitution to the ring is less reactive because the fluorine is very electronegative ...
1
vote
0answers
20 views

Does 2,2-dimethylpropan-1-ol give a positive Lucas test?

I learnt that the Lucas test involves the formation of a carbocation and it gives a positive test based on the stability of the carbocation formed, and hence primary alcohols do not show turbidity (...