Organic chemistry is a branch of chemistry that deals with organic molecules. Organic molecules generally have C-H or C-C bonds.

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Reduction of acids with borane

What is the mechanism of the reduction of organic acids with borane? Borane reductions don't work well with electron deficient carbonyl groups. Why is that so, and how isn't the carboxyl group an ...
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36 views

Stabilisation of phenoxide ion

Which one of the following substituents at para-position is least effective in stabilizing the phenoxide ion $\ce{PhO-}$ (a)$\ce{-CH3}$ (b)$\ce{-OCH3}$ (c)$\ce{-COCH3}$ ...
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Bond Strength of Carbon bonding

Please sort these bonds in decreasing order of their bond strengths... 1.$\ce{C=O}$ 2.$\ce{C#N}$ 3.$\ce{N#N}$ 4.$\ce{C-C}$ 5.$\ce{C-H}$ My attempt to the question - C=O>N≡N>C≡N>C−C>C−H Is ...
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0answers
27 views

Alkyne's + Sodium or Soda Amide [duplicate]

What is the reaction when But-2-yne Reacts with $\ce{Na}$ or $\ce{NaNH2}$? According to me it should be no reaction.. but please correct me. Also what happens when But-1-yne undergoes the same ...
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31 views

Tricky IUPAC naming problem-2 answers to a question? [duplicate]

I posted this question (link) previously asking which one is the right name: 2-chloro-3,3-dimethylbutane or 3-chloro-2,2-dimethylbutane. I also asked at another site (link). Now my question is why is ...
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1answer
20 views

Dehydration/Condensation terminology question

To my understanding, dehydration is defined as a subset of a condensation reaction. A condensation defined as being two molecules joining together (in the case of loss of water, this is referred to as ...
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0answers
7 views

how do you enable result summary in gaussview

On G2:M1:V1 window, result summary is grayed out. Does anybody know how to enable so that I can see my calculation summary?
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1answer
35 views

Reactions of alkynes and Sodium or soda amide [on hold]

What happens when alkynes react with Sodium or soda amide? Does it liberate hydrogen so does it prove that alkynes are acidic? What happens when But-1-yne and but-2-yne react with Sodium and soda ...
2
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1answer
27 views

Metamers (Isomerism)

Are methyl n-propyl ether and methyl iso-propyl ether metamers? It says so here. So the difference must be in number of carbon atoms or the distribution? ...
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1answer
42 views

Geometrical Isomerization

Can you explain to me: What are Cis-Trans, E-Z and Syn-Anti Isomerization? What is the difference between them? How many functional groups is cis-trans isomerism applicable to? I know mostly ...
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1answer
43 views

Hydro-Bromination Product 1,4-Benzoquinone [on hold]

What will the products on addition reaction of 1,4-benzoquinone with HBr ?
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23 views

Graphene oxide for Deicing

I am doing a research and experiment on using Graphene oxide for deicing. My purpose is to coat graphene oxide on the surface of the ship in the north and south pole where large amount of large size ...
2
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1answer
229 views

What chemicals help define “taste”?

As we all know that there are 5 tastes : sweet, sour, bitter, umami, salty. So what chemicals are there that help form these tastes, in other words how do our tastebuds experience these tastes? ...
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1answer
27 views

What decides the order of priority of functional groups in organic compounds?

Is the order of defined by IUPAC or we follow some special conventions to know the order of priority?
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0answers
10 views

What is meant by statements x,y addition of any compound(for example HBr) to a conjugated diene or benzene derivative? [duplicate]

What is meant by statements x,y addition of any compound(for example HBr) to a conjugated diene or benzene derivative? (x,y are numbers) Im new to this kind of naming system..so please provide me web ...
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1answer
31 views

Why is addition of HBr to 2,4 penta diene called 1,2 addition?

Why is addition of HBr to 2,4 penta diene called 1,2 addition?..please explain..i cant figure out any reason.
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1answer
26 views

In HONO2 which ion acts as electrophile and why [on hold]

In HONO2 which ion acts as electrophile?Why? Please explain me with an example the mechanism of HONO2 reaction in organic compunds.
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2answers
38 views

Why is chloroethene said to be a conjugated system?

Why is chloroethene said to be a conjugated system?Is it because of p orbitals present in chlorine or something?
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0answers
17 views

Carbonium Ion-Electron Distribution [on hold]

Can someone explain me the electron distribution in a carbonium ion with diagrams? Why is it said that carbonium ion has 8 electron distributed in 5 bonds?
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0answers
20 views

Free Radical Substitution in Butane [on hold]

Now can someone explain why is the ration 3:2 ?
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1answer
31 views

arrange these in increasing acidity order

Why $\ce {Ph-CH2-COOH}$ is more acidic than $\ce {CH3COOH}$ although the equilibrium of ionization lies mainly backward for both of them? Attempt:-In the ionized form of $\ce {Ph-CH2-COOH}$ we have a ...
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1answer
27 views

Aromaticity-Bromonium Ion

Is the bridged ion intermediate aromatic or not? What is the way to quickly identify aromaticity?
2
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1answer
53 views

If 2-chloro-3-methyl-3-phenyl butane undergoes SN1 then what will the major product and why? [on hold]

If 2-chloro-3-methyl-3-phenylbutane undergoes $\mathrm{S_{N}1}$ then what will the major product be ? Will methyl group shift or phenyl group shift? I know that phenyl shift will occur..but i want to ...
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1answer
46 views

Can Hydride Shift and Methyl shift happen one after another in a carbocation?

Can hydride shift be followed by methyl shift for stabilizing a carbocation? In case both is possible which will occur first?
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1answer
64 views

Organic naming: priority order of alkyl groups vs halide

2-Chloro-3,3-dimethylbutane or 3-Chloro-2,2-dimethylbutane ? According to these links both are correct: 1.http://wtt-pro.nist.gov/wtt-pro/index.html?cmp=2-chloro-3.3-dimethylbutane ...
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1answer
52 views

Hyper conjugation in acetic acid?

While comparing the relative stabilities of acetic acid and formic acid why don't we consider the 3 possible hyper conjugative structures which would stabilize the positive charge on carbon thus ...
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2answers
189 views

Conversion of Methane to Propane

Is it possible to chemically convert Methane into Propane? If so what is involved and is it economical? Thanks.
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17 views

Calculating enthalpy of formation [on hold]

Ethanoic acid (HC2H3O2) may be produced from ethyne (C2H2) by the following overall reaction: 2 C2H2(g) + 2 H2O(l) + O2(g) ---> 2HC2H3O2 (l) Calculate Ho for the production of ethanoic acid using the ...
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29 views

Does the magnesium 2+ ion prefer an octet or more?

In organic chemistry I was told that the magnesium ion which is part of Grignards is coordinated to several ether molecules. The overall structure around the magnesium is tetrahedral, which implies ...
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0answers
31 views

Nucleophilic Substitution Reactions [duplicate]

I am trying to rank 6 alkyl halides from fastest to slowest reaction time for both SN1 and SN2 reactions. I know that $\ce{I-}$ is the best leaving group, followed by $\ce{Br-}$ and $\ce{Cl-}$. So ...
2
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1answer
60 views

Organic Chemistry - Nucleophilic Substitution Reactions

What order of reactivity do you predict will be observed when each alkyl halide is mixed with sodium iodide in acetone? 1-Chlorobutane 1-Bromobutane 2-Chloro-2-methylpropane ...
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1answer
13 views

How exactly is energy created by oxidative phosphorylation

I understand how the protons and electrons move around through various carriers, shuttles and proteins...But there's this talk of electrons being in "lower in energy" at the end. What does that mean? ...
3
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1answer
41 views

Reduction of amide with LiAlH4

In reduction of carboxylic acid with $\ce{LiAlH_4}$ the first step is deprotonation. But in the mechanism of reduction of amide with $\ce{LiAlH_4}$ (here), the first step is addition of hydride on ...
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21 views

How to determine ortho/para substituents on the aromatic ring via NMR ?

I have no idea how to determine the substituents on the aromatic ring from NMR diagram. There is (might be ) a triplet on my NMR around 7.59-7.65ppm which has 4 hydrogens in the same environment. If ...
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Can I do PhD research in “Chemical physics” with only high school knowledge of chemistry? [closed]

I am very good at physics but weak at chemistry (especially organic chem). I only possess US high school chemistry knowledge. Can I do research in PhD level computational "Chemical physics", which ...
4
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2answers
320 views

Learning about explosives

I was wondering why temperature regulation is an important factor in producing explosives. I know many are exothermic reactions but what would happen if you did not use an ice bath and allow the ...
3
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1answer
38 views

Can decarboxylation be done under carbon dioxide?

From Why is the decarboxylation of 2-hydroxybenzoic acid (and related compounds) done 'under nitrogen'? I confirmed that nitrogen is used to exclude oxygen - in order to prevent oxidation of ...
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3answers
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Comparing SN2 reaction rates

I've read in book that the main factor for determining SN2 reaction rate is steric hindrance. The lesser it is the faster the reaction. So consider this question: As you can see , it is a question ...
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1answer
30 views

Converting 26.62 NOx µg/L into mM (millimolars)?

I have to convert a whole lot of nutrient data : $\ce{NH_4}$, $\ce{PO_4}$ and $\ce{NO_x}$ data that is in µg/L into mM (millimolars). Could someone give me an example for 26.62 $\ce{NO_x}$ µg/L? or ...
2
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0answers
22 views

Make pure phthalocyanines from phthalocyanine dyes

We need a pure copper phthalocyanine for our experiments. Of course, we can buy it from Sigma Aldrich, but this means we'll have to wait a while. In local area we can buy only dyes which are about 98% ...
2
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1answer
35 views

Difference between continuously overlapping p orbitals and conjugated pi bonds

Is there any difference between the phrase "continuously overlapping p-orbitals" and "conjugated pi bonds" when referring to aromatic compounds? I've heard both used and I wasn't sure if they mean the ...
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40 views

Does sorbitol dissolve in ethanol?

I know Sorbitol, $\ce{C_6H_14O_6}$ $$\ce {C(OH)H_2 (C(OH)H)_4C(OH)H_2}$$is soluble in water however I did not have much luck finding out whether or not it is soluble in ethanol. My guess is that it ...
2
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1answer
55 views

Why H-OH is more acidic than CH3CH2-OH?

Why $\ce{H-OH}$ is more acidic than $\ce{CH3CH2-OH}$? A common answer to this question is because of +I of $\ce{CH3}$ the -ve charge at $\ce{O}$ increases making it less acidic. But if we compare ...
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2answers
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How to rationalise the basicity order of phenyldiamine?

Why is the basicity of para- > meta- > Aniline > ortho for Phenyldiamine? ($\mathrm{p}K_a$: ortho-9.53, meta-9.12, para-7.96) I tried deducing it using resonance and inductive effects but got stuck.
2
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1answer
21 views

“Alkanes must be vaporised before they will burn” - what does this mean?

What does this sentence mean - I assumed that burning vaporised something? If something is vaporised, isn't that turning it into a gas? How can you burn a gas? This is a sentence in my AS Chemistry ...
2
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1answer
61 views

How does 3dCarbon CLIP printer work?

Recently there has been announced a new 3d printing technology which uses UV light, from lasers or a projector, to harden slices of epoxy resin so that the printed object rises out of a pool of epoxy. ...
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1answer
18 views

Paper making alternative

Is there any paper making alternative? What is there in trees that makes it the only thing from which paper can be made? Do we even need paper anymore with all electronic devices and stylus', etc
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1answer
34 views

Need of hyperconjugation?

Recently I read about Hyperconjugation. But i have a doubt. What is the need of hyperconjugation in this structure when there is charge separation resulting in lesser stable structure.
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1answer
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How is it that fructose has a different metabolic pathway than glucose but yet glucose is converted to fructose?

Fructose is described to have a different metabolic pathway (a more fat-inducing one) than glucose (see: http://healthyeating.sfgate.com/difference-between-sucrose-glucose-fructose-8704.html) as it ...
4
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1answer
36 views

Acidity In Organic Compounds

Why is the acidity order true? \[\ce{CH3COCH3 > CH3CO2CH3 > CH3CON(CH3)2}\] I deduced that in 2nd and 3rd option there is -I effect of methoxy group, $\ce{N(CH3)2}$ and +R effect too so the attached ...