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
5 views

How to break down Sodium Saccharin to harmless products at home?

How to breakdown Sodium Saccharin of vitamin C tablets containing 1000 mg vitamin C and 10 mg of Sodium Saccharin? Every time I have one of these tablets I get sick but not with Vitamin-Cs that do not ...
1
vote
0answers
14 views

Reaction of alc. KOH with alkyl halide

The following question was given in FIITJEE study material: At first, I thought it should be elimination. But, soon I realized that there is no heating, plus a primary alkyl halide is used. So, "...
0
votes
2answers
28 views

Leaving capacity of halogens

Why is F a bad leaving group? Say in HF and HI, F is more electronegative than I, then shouldn’t HF be a better acid ?
0
votes
0answers
16 views

Definition of a Homologous Series

My textbook states that members of a homologous series have the same general formula (ex. $\ce{C_{n}H_{2n}}$ for alkenes) as they only differ from one to another by additional $\ce{CH_2}$ (methylene) ...
0
votes
0answers
19 views

Transposition in vicinal diols dehydration

In this reaction, I don't know how I could place a methyl in the benzyl carbon. My first idea was to treat the compound with OsO4/H2O2 to form the vicinal diol, and then dehydrate in acidic medium and ...
-1
votes
2answers
40 views

Why is KMnO4+H2SO4 so common when it comes to oxidizing an organic compound?

Why in general for oxidation reactions in organic chemistry is so common to meet the couple H2SO4 + KMnO4 or H2SO4 + K2CrO4 or CrO3 instead of K2CrO4 ? I mean I understand that these are used to ...
0
votes
1answer
41 views

Why does methyl not shift in the mechanism of isoborneol to camphene?

After the formation of carbocation, I was confused why would the reaction not go in favor of forming bornylene. I am still not sure why but I think that $\mathrm{sp^2}$ hybridized carbon will cause a ...
-1
votes
0answers
13 views

How does the number of oxidation sites in tea tannin affect tooth staining?

For my Chemistry investigation, I am working on the effect of tea tannins on their tooth staining ability. I was wondering if anyone could help me figure out whether the oxidation sites in tannin ...
-1
votes
3answers
51 views

Indicator for H2S [closed]

In there an indicator for sulfur compounds like H2S (also organic)? Or some straight forward way to measure if the H2S concentration in the air is higher than usual? Or is the concentration too low ...
0
votes
0answers
18 views

Controlling the particle size of chemically precipitated metallic particles [closed]

I am trying to understand how to control the particle size of chemically precipitated metallic particles. I have looked through research papers and for particle size have established that redox ...
0
votes
0answers
44 views

Order of nucleophilicity of Nitrogens in adenine

I recently stumbled upon a question that got me thinking. It goes something like this: Find the major product of the following reaction: There were 3 options given: So it basically aims ...
0
votes
1answer
28 views

Contradictions in acidity and solubility of phenol derivatives

o-Nitrophenol is less acidic in comparison to p-nitrophenol due to intramolecular hydrogen bonding. This effect also is the reason for o-nitrophenol being less soluble in water. At the same time, ...
-3
votes
0answers
26 views

whats the chemical equation of cooking oil mixed with kerosene? [closed]

I'm kinda curious as to what the chemical equations of cooking oil mixed with kerosene will be.
-3
votes
0answers
29 views

structure of propane 1.2.3 tricarbaldehyde [closed]

![enter image description here](https://i.stack.imgur.com/jPaw8.jpg this may include propane 123tricarbaldehyde
0
votes
0answers
27 views

Redox: Could someone give me the equation for the reaction of oxidation of tea tannin with potassium permanganate? [closed]

For my Chemistry investigation, I used oxidimetric oxidation of tea tannins with potassium permanganate to find the tannin content of teas. However, I cannot find an appropriate equation that I could ...
-3
votes
0answers
44 views

Effect of cuprous iodide on grignard reagent

Answer is A, when grignard reagent alone give Michael addition, what is the need and effect of $\ce{Cu2I2}$?
-2
votes
0answers
23 views

Are these IUPAC systematic names valid? [closed]

Are hexahydrotoluene, hexahydroaniline, and hexahydrophenol valid IUPAC systematic names for methylcyclohexane, cyclohexylamine, and cyclohexanol?
0
votes
1answer
46 views

Cannizzaro reaction on p-dimethylaminobenzaldehyde

Recently our chemistry teacher told us that p-dimethylaminobenzaldehyde do not undergo cannizzaro reaction. But on subsequent questioning, I was directed to remember this as a fact. I want to know the ...
1
vote
2answers
61 views

Silver mirror and copper mirror

There is a formation of silver mirror in the silver mirror test. why does the silver does not precipitate, it forms the mirror in the silver mirror test? Is there any test that copper can form mirror? ...
-1
votes
0answers
42 views

Does NaNH2 always act as a base?

Is it just a textbook question ? Cause NaNH2 was meant to pull out alpha hydrogen and then attack acetylene but to get to the answer we need to add NaNH2 on acetone and then do nucleophilic acyl ...
-1
votes
0answers
23 views

Does each known alkaloid have a specific/recorded measure of polairty? [closed]

I'm planning on separating around 20 different alkaloids via liquid column chromatography. I understand that each alkaloid elutes based on its polarity. If I know my sample contains 20 different ...
-1
votes
0answers
29 views

Predicting the position of the hydroxyl group in hydration reactions

For hydration reactions, where an alkene becomes an alcohol by using sulphuric acid as a catalyst, is it possible to predict to which carbon atom of the double bond the -OH group will bond to? For ...
-1
votes
1answer
36 views

Acidity order checking

Why is Methanol more acidic than Ethanol eventhough the conjugate base of Ethanol is stabilised by hyperconjugation?
0
votes
1answer
50 views

Reaction between acrolein and hydrazine

When acrolein is heated with hydrazine we get dihydropyrazole. But I can't see how. First I think hydrazine should add on acrolein to form corresponding hydrazone, but what will happen next? Also is ...
2
votes
1answer
29 views

Are there any common (preferably somewhat complex) organic molecules that help combat ocean pollution? [closed]

I'm participating in an activity where I need to present a topic/molecule in organic chemistry, and I am pretty passionate about "reversing"/helping with cleaning the ocean. I was wondering if there ...
-1
votes
0answers
39 views

Conversion of hypnone to dypnone

Hypnone is another name of Acetophenone. It is used as a hypnotic and can be converted to dypnone (I am attaching the structure below) on reaction with aluminium tert-butoxide $\ce{Al(OC(CH3)3)3}$. ...
1
vote
0answers
34 views

What is the significance of the downward arrows in energy level diagrams in organic chemistry?

The following text is from Solomons, Fryhle and Snyder Organic Chemistry Third Edition, chapter 1 "The Basics: Bonding and Molecular Structure", page 13, topic 1.5 "Resonance Theory", sub topic 1.5B "...
-2
votes
0answers
39 views

Diels Alder reactions [closed]

The question is fill in the blank: Diels Alder reactions are __________. I've already tried the following: -green reaction/ green -pericyclic / pericyclic reaction -nucleophilic acyl ...
0
votes
0answers
38 views

Reaction of alpha-naphthol with benzyl iodide [duplicate]

In preparation for Olympiad, I faced this question: $\alpha$ naphthoxide ion (analogue to phenoxide ion) is reacted with benzyl iodide in two different mediums: $(i)$ DMSO (dimethyl sulfoxide) ...
0
votes
0answers
30 views

Reactivity of carbonyl derivatives with a nucleophile [duplicate]

As observed, the reactivity of carbonyl derivatives with a nucleophile goes like: Acid halide > acid anhydride > acid > amide > ketone > aldehyde. So is nucleophile a code word to nucleophilic ...
2
votes
1answer
45 views

Reimer-Tiemann reaction on indole

According to me net reaction should be at $\ce{C3}$ when Reimer-Tiemann reaction is done on indole (see image), since in the resonance structure, negative charge is on this carbon. But, the answer ...
5
votes
1answer
173 views

Flexibility of long-chain aliphatic compounds

PubChem is unable to generate the conformers of Z-6-Heneicosen-11-one? The website says that the molecule is too flexible What does flexibility of a molecule mean in this context? I understand that ...
1
vote
0answers
28 views

What is the priority order of the four groups?

I'm trying to figure out whether this is in R/S configuration....I thought it would be R since the groups seem to be decreasing in priority in the clockwise direction (since F has the largest atomic ...
0
votes
0answers
38 views

How to turn an alkene into a 7-oxabicyclo[2.2.1]hept-2-ene? [closed]

I know that is something involved with the double bond, but I but it only think about dealing with peracids, but in this way I don't get the two C-C links that I need. Does anyone come up with another ...
0
votes
0answers
39 views

Reactions involving carboxylic acids

The following question was given in FIITJEE study material: I guess (i) step is de-esterification, which gives the compound of option (A). In next step, I wouldn't expect it to decarboxylate, ...
0
votes
0answers
54 views

Reasoning behind the formula to determine the number of hyperconjugative structures

The following formula is from Solomons, Fryhle and Snyder Organic Chemistry for JEE (Main & Advanced) Third Edition, chapter 1 "The Basics: Bonding and Molecular Structure", page 19, topic 1.6 "...
1
vote
0answers
33 views

Suggestions for chemistry experiments to do regarding toxic gasses

I'm doing a final project on mustard gas, and need an experiment to conduct. I'm obviously not allowed to make or work with mustard gas, but what else can I do? Any other gas experiments that would be ...
-1
votes
0answers
45 views

Controversy of acidic character of acetylene [duplicate]

Bond between carbon and hydrogen in acetylene is sp-s bond, it has very good overlap (and thus high bond strength) as compared to sp2-s or sp3-s C-H bond in ethylene or ethane. But Acetylene is more ...
0
votes
0answers
35 views

Can basic column liquid chromatography separate two extremely similar alkaloids?

Say a sample has two alkaloids, one with a molecular weight of 521.44 g/mol and one with a weight of 521.66 g/mol. Would column chromatography be able to separate these two alkaloids? Also, what if ...
0
votes
0answers
16 views

Sodium Laureth Sulphate [closed]

I recently did a shower cream but different manufacture of SLES, with constant amount of salt until it reach the viscosity of 8000 cps. What is the relation between SLES and free oil, sodium sulphate ...
2
votes
1answer
108 views
+100

Cleaning with Vinegar - what surfaces does it react badly with? Metal window sills ok?

I'm cleaning up some mould around the home and I have some substance on my window sills which I'm not quite sure if it's dirt or mould. I have read about using Vinegar to clean up mould, but an ...
0
votes
1answer
56 views

Solvent for reaction mixture

I'm looking for some suitable solvent for ether cleavage of Guaiacol (o-Methoxyphenol) using aluminium triiodide ($\ce{AlI3}$) with $\ce{DMSO}$. The original paper calls for using hot acetonitrile as ...
0
votes
0answers
49 views

How does conjugation increase the stability of a compound

I have read that the stability of a compound increases due to conjugation, which allows electrons to delocalise and thus be more spread around the molecule. I'm struggling to understand how this ...
-1
votes
0answers
24 views

Predict the major products. Tests knowledge of synthesis of enamines, aldol condensation and 1,4- additions to enones(the Michael reaction) [closed]

**Question in image. Organic chemistry. Synthesis of enamines,Aldol condensation, Michael reaction See below for the image. **
0
votes
0answers
8 views

Are there any natural products that can be used as a sealant that is machine washable? [closed]

I’m in search of a natural, environmentally friendly product that can be used as a waterproofing, sealant for fabrics that can also be washed in a washing machine.
-1
votes
0answers
84 views

What is the product when the reagent shown is treated with LiAlH4, as well as NaBH4? [closed]

Below is a picture of the two reactions I am struggling with. Both $\ce{LiAlH4}$ and $\ce{NaBH4}$ are pretty strong reducing agents, though $\ce{LiAlH4}$ is able to reduce esters and carboxylic acids ...
1
vote
0answers
31 views

Specific reduction of certain functional groups

Consider the compound $\ce{Alkyl-(4 oxocyclopent-2-ene)carboxylate (A)}$. Now consider the operations: $\ce{1. (A) + (i)BH3/THF (ii) H+}$ $\ce{2. (A) + H2/Pt}$ $\ce{3. (A) + H2/Pd-C}$...
1
vote
1answer
57 views

Validity of the leveling effect of water in nitration reactions

Wikipedia gives this as the levelling effect of water Any acid that is stronger than $\ce{H3O+}$ reacts with $\ce{H2O}$ to form $\ce{H3O+}$. Therefore, no acid stronger than $\ce{H3O+}$ exists in $\...
-2
votes
0answers
41 views

Orbital diagram of oxygen in phenoxide [closed]

In phenoxide ion, what is the hybridisation and orbital picture of oxygen? Why is it written as $\ce{O-}$? What does that minus charge signify? I think that the hybridisation would be $\text{sp}^2$ ...
4
votes
1answer
95 views

Why are drugs mixed with their sodium salts?

I have come across quite a few drugs that are of the form $\ce{HA + NaA}$, where $\ce{A}$ is your target organic compound. A few examples of this are: Carmicide which is a mixture of Sodium Citrate ...