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
7 views

Trans/Cis Alkene with mCPBA products?

What is the different in stereochemistry between the product of cis alkene with mCPBA and trans alkene with mCPBA, I drew the products, they do look different but the configurations are the exact same,...
-1
votes
0answers
11 views

Can ink manufacturing companies use isobutanol instead of n-butanol?

Will there be any harmful effect if isobutanol is used instead of n-butanol? Will there any major change in the final product?
-1
votes
1answer
16 views

Distinguishing between chain isomerism and metamerism

Of all the examples that I could find for chain isomerism, most are alkanes and the rest are amines. i) Does this mean that when other functional groups show 'chain' isomerism it is termed as ...
-1
votes
0answers
16 views

Organic Chemistry: Hybridization

Is it right to say that the orbital of carbon is s2p2? sorry i forgot the basic. i'm working on steric #s for hybrids ( # of sigma bonds + the lone pairs) but how about just the carbon? i get it when ...
0
votes
0answers
8 views

Selectivity in Thermodynamically-Driven Silyl Enol Ether Formation, and Optimistic Avoidance of Protecting Group Chemistry

I am aware of the regioselectivity of silyl enol ether formation at an unsymmetrical ketone under 'thermodynamic conditions'. Does this selectivity extend to systems containing more than one ketone ...
-1
votes
0answers
14 views

Why is stannous chloride a nucleophile when it has an empty p orbital? Why isn't it an electrophile?

I'm an undergraduate chemistry student so I apologize if this is a simple question, but in my lab we used stannous chloride in the presence of water and HCl as a nucleophile to attack 2,6-...
-2
votes
0answers
15 views

Methylmercury Formation

it's my first time posting nice to meet you all. So basically for my chemistry class, I'm supposed to figure out how mercury gets into water supplies and I found out that methylmercury is created when ...
-2
votes
0answers
14 views

Problem about spectroscopy [closed]

I’m very interested in this question, it’s about spectroscopy, so I’d like to ask you for your suggestions. How to show that CnHn(hydrocarbon) has just a single IR active C-H stretching mode?
-1
votes
0answers
20 views

Help calculating log P

What is the correct way to calculate log P of a drug? Two 3ml samples of 1%w/v solution of ibuprofen in octanol were prepared, a pH 2 buffer is added also. 0.5ml of the octanol layer is taken and ...
-3
votes
0answers
15 views

why sp3-sp2 bond is stronger than sp2-sp2?

So when i was learning about the stability of the alkenes specifically about hyperconjugation, i came across a statement that said sp3-sp2 bond is stronger than sp3-sp3 bond. Could anyone explain how ...
-1
votes
0answers
11 views

Does steric hinderance matter in a SNAr reaction if both of the ortho positions are occupied by a bulky group?

Here in the fourth molecule the reaction rate should be less as its sterically hindered but the answer given is option 4. If steric hinderance does not matter then why do we have effects like SIP and ...
-4
votes
0answers
29 views

How can we convert methanamine to ethanamine?

I searched this question everywhere and I found that use HNO2 in the first step to convert methananmine to methanol but as far as I know (and verified by other sources) this reaction is not feasible ...
-2
votes
0answers
18 views

general organic chemistry nitrobenzene less reactive than toluene [closed]

Assertion: Nitrobenzene is less reactive than toluene towards electrophilic substitution reactions. Reason: -NO2 group is meta directing whereas -CH3 group is ortho, para directing.
0
votes
0answers
10 views

Structure-Activity Relationship of Chlormephos and Parathion

According to the book "The Chemistry of Organophosphorus Pesticides", the insecticide Chlormephos (S-(chloromethyl) O,O-diethyl phosphorodithioate) has an oral LD50 in rats of 7 mg/k. ...
-2
votes
0answers
16 views

Can -NH3+ be a meta directing group [duplicate]

As the groups which are cations commonly act as meta directors in benzene reactions, can -NH3+ be a meta director?
0
votes
0answers
26 views

Betaine HCl solution at neutral pH

I was trying to make a 2M solution at pH 7.5 of Betaine HCl. I started by weighing out the appropriate amount of Betaine HCl, added some water and started stirring. At this point, the pH of the ...
-1
votes
0answers
7 views

Hydration of Alkenes [closed]

Why does phosphoric acid doesn't behave as a dehydrating agent in hydration of alkenes to alcohol? Plz answer as soon as possible. Test tomorrow.
2
votes
0answers
24 views

Stereochemistry of the product of crotonic acid with bromine

Is there a a simple rule for determining the stereochemistry for the product of a reaction between an unsymmetrical alkene like (2E)-but-2-enoic acid and bromine (anti reaction)? If it's an anti ...
0
votes
0answers
14 views

Organic Based Photocathode

What organic molecules have a relatively small work function, preferably in the visible spectrum? Polycyclic aromatic hydrocarbons are in the low UV spectrum, making it unsuitable for the photocathode ...
1
vote
0answers
13 views

SDBS database Disclaimer/Entrace page

I'm trying to learn IR spectroscopy by examining spectra of some organic compound in SDBS, a great website but the disclaimer page pops up for literally every search I do and It does not seem to have &...
0
votes
0answers
22 views

Lead exposure risks [closed]

I work in a lab where I use methylammonium lead triiodide dissolved in DMSO and GBL. I know DMSO penetrates skin easily, and obviously lead is toxic. Today I accidentally splashed some on my arm, and ...
-2
votes
0answers
18 views

organic chemistry- iupac naming

How do you write tertbutyl in iupac naming? I know for iupac naming, I would need to write the substituents in alphabetic order, but would tertbutyl be considered t or b?
-1
votes
0answers
13 views

How to do pressure affect homolysis?

I would like to know if high pressure is good for homolysis. Acording to chemical balance rules, if you making two substances from one (decomposition) (you have one mole of substance, and after the ...
-3
votes
1answer
30 views

Explain the mechanism of glycerol solubility in ether.?

I need some guidance regarding the issue of solubility, as you can see in my question i have glycerol and ether. What factors play a role in the solubilization process between these two compounds? I ...
-2
votes
2answers
61 views

Chemical Difference between Dexedrine and Methamphetamine

I am a newbie at chemistry and was wondering what the key difference between Dexedrine and Methamphetamine HCL is? I know that Methamphetamine has an extra methyl group compared to Adderall. But what ...
-2
votes
0answers
17 views

Is it possible to extract taurine from energy drink by liquid liquid extraction, which solvent should I use?

I need to know how to extract taurine from energy drinks, because I'll be needing that for tlc analysis.
1
vote
0answers
30 views

Calcium chloride as a drying agent for solutions

I'm aware of the reaction Calcium chloride has with water vapour and how it can therefore be used as a good and inexpensive drying agent but could that be applicable for solutions? For example if ...
8
votes
3answers
461 views

What would a (gas) chromatogram look like if two compounds have the same retention times?

In gas chromatography, the number of peaks represents the number of compounds in an unknown sample, as retention times for each component differ. But what would happen if two components have the same ...
-1
votes
0answers
24 views

Confusion regarding basicity

I am confused about definition of basicity. Article 1 says: “Basicity” Is Just Another Word For “Stability Of A Lone Pair Of Electrons” (source). Another article on the same website says: Generally ...
1
vote
0answers
29 views

Dissolving CNE (cresol novolac epoxy) resin covered computer chips

I intend to destroy (dissolving would be optimal) a few computer chips (NAND memory chips used eg. on SSDs to be precise). Why? See foot note. I am not a chemist, so of course I tried to research the ...
0
votes
1answer
51 views

Constitutional Isomers [duplicate]

Is there a formula to know how many constitutional isomers are there for a compound? For instance in this example, most students would miss the 6th constitutional isomer and will probably only write ...
0
votes
0answers
15 views

End Group of Host-Guest Polymers

In synthesizing a host guest polymer, how can a host ion/molecule be included at solely at an extreme/point of the polymer, like an end group in a conventional polymer
0
votes
0answers
23 views

What changes are expected in chemical reaction when deuterium(D) is attached in place of hydrogen(H)

Our teachers told that deuterium (D) in place of H in organic reaction only matters when the C-H is broken in a reaction . But does it really matter only then ? Will it affect the stability of the ...
0
votes
0answers
28 views

Why does 1,2-dihydroxybenzene have higher boiling point than monohydroxybenzene? [duplicate]

I studied that any kind of dihydroxybenzene has higher boiling point than monohydroxybenzene, and among the dihydroxybenzenes, I understood that because of inter molecular hydrogen bonding they have ...
-2
votes
0answers
14 views

Is AIBN compound able to start homolysis? [closed]

I would like to aks if AIBN compound can cause homolysis of halogen molecule
3
votes
1answer
165 views

White growth on unopened bottle of chlorotrimethylsilane

I have a white, moldy-like substance that has been growing near the cap of an unopened glass container filled with TMSCl. It has spread to form a thin, powdery coating on all of the other containers ...
2
votes
1answer
48 views

Can I solubilize lemon essence in water somehow?

I have a water based solution (95% water, the rest are salts) to which I want to add a lemon fragrance. I bought "water based lemon essence", but upon putting a mere drop in about 500 mL, ...
-2
votes
0answers
13 views

Does pressure affect homolysis? [closed]

I would like to know what is better for homolytic fissisng and why. A) high temperature and high pressure B) high temperature and low pressure I think that B is the solutiot, because before the ...
-2
votes
0answers
14 views

Which catalyst can cause homolysis? [closed]

What catalyst from theese can cause homolysis of halogen molecule alone? Alone - for instance if you use high temperature, you do not need UV and if you use too much UV you do not need high ...
-4
votes
1answer
26 views

Relation between Dipole Moment and Polarity of a molecule [closed]

Is it necessary for a molecule to have a net dipole moment to be a polar molecule? Why Borazole (B3N3H6) is a polar molecule though it has no net dipole moment? This is not a Homework Question, it is ...
-1
votes
1answer
29 views

What happens if you do not allow time for an exothermic reaction to cool down?

I realise I did not give some time for the chemicals (which are releasing heat during an exothermic reaction) to cool down first and instead, I added another chemical substance to the reaction mixture ...
-4
votes
1answer
27 views

How can someone in the lab synthesize n-allyl-4methyl-benzenesulfonamide from 4-toluenesulfonyl chloride and allylamine [closed]

I am trying to figoure out the conditions and choice of solvents and catalysts in order to run this synthesis.
2
votes
1answer
59 views

TEMPO Radical Analogue

After investigating what makes the persistent radical TEMPO stable, I was wondering if another compound which is more feasible for my needs would be comparable to it. Would oxidizing 2,2’-dimethyl-...
1
vote
0answers
24 views

Hydroboration, steroselectivity and anti-markovnikov product [duplicate]

My first question has to do with the fact that Hydroboration produces an anti-markovnikov product, why?. I don't see how that happens. A wikipedia artical says that B has a partial positive charge ...
-2
votes
0answers
23 views

Dilution confusion

I have run into what I imagined would be simple mathematics, but it turns out I need some help. My problem is I have a bottle of Geobacillus stearothermophilus and the concentration of the spores is $\...
1
vote
3answers
147 views
+50

Removing denatured Crystalbond?

I have some water-soluble crystalbond that is attached to silicon and, because of some overheating (to about 150 Celcius) during a final processing step, the crystalbond seems to have charred (white/...
0
votes
0answers
42 views

Does 3‐ethyl‐1,1‐dimethylcyclohexane have a stereocenter?

I knew that we have a stereocenter if the carbon is bonded to four different groups. According to the stereocenter rules, I should have $\ce{CH2}$ bonded to the carbon of the stereocenter (marked with ...
1
vote
0answers
38 views

phenolsulphonic acid

Phenolsulfonic Acid( PSA) is produced after sulphonation of Phenol at around 100 degrees. They use this product in tinplating. Once a stable PSA is formed after sufficient reaction , unreacted ...
0
votes
0answers
14 views

Keto Enol tautomerism [duplicate]

I don't understand why the keto form is present more at equilibrium. Yes I know that for phenols or instances where the enol form can have H-bonding the enol form is preferred, but generally I have ...
-1
votes
0answers
28 views

Is (Z)-1-bromo-2-chloro-2-fluoro-1-iodoethene optically active or optically inactive? [closed]

Is (Z)-1-bromo-2-chloro-2-fluoro-1-iodoethene optically active or optically inactive? Need a solution of the given problem. My test says it is an optically inactive compound but there seems to be no ...

1
2 3 4 5
174