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1answer
89 views

Predict the product (organic chemistry)

I think that the first reaction would add into the ketone carbon, but I don't know where to go after that. A step-by-step explanation of the answer would be greatly appreciated! Answer choices: ...
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2answers
64 views

Are all (pure) alkanes, alkenes and alkynes - tasteless, odourless and colourless? [closed]

non-pure alkanes, .. have a taste .. (as far as I know, is it wrong or true?) but .. Are all pure alkanes, .. tasteless ..?
2
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1answer
66 views

aldehydes are easily oxidised but ketones are not

Aldehydes are easily oxidized to carboxylic acid but ketones are difficult to oxidise. Most books say that the hydrogen directly bonded to the $\ce{C=O}$ in the aldehyde is what aids the oxidation ...
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0answers
32 views

Whats the difference between graphite,nanotubes,and buckeyballs?

I understand that all of these are made up of Carbon but I don't understand what differentiates them, since it is Carbon they all must be covalent bonds right?
3
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1answer
55 views

Which functional group is $-CSSH$?

If we replace two oxygen in $-COOH$ what is the name of the compound we get?
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3answers
2k views

Why is the boiling point of aldehydes less than that of ketones?

Both have a carbonyl group. Since the carbonyl group of ketone is between alkyl groups it would be difficult for it to form hydrogen bonds compared to aldehydes.Then, aldehydes should have a higher ...
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1answer
92 views

Equations for UV degradation of condensation polymers

I'm an A-level student studying the F324 unit of OCR GCE Chemistry 'A'. The exact question is Explain how condensation polymers may be photodegradable. Equations needed! I understand: What a ...
3
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1answer
50 views

Photochemical ligand substitution of metal carbonyls - role of water cooled lamp-jacket?

Why, in the photochemical substitution of a ligand in a carbonyl complex, is a water-cooled lamp jacket required to separate the solution and the mercury vapour lamp? It's shown in Figure 22.16 of ...
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0answers
17 views

How do unsymmetrical ketones get oxidised and why? [duplicate]

What is Popoff's rule?What are the criteria for it to be applied?
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3answers
80 views

Are dicarbonyl amides stable in water?

Dicarbonyl amides, that is carboxylic acid anhydrides with their single-bonded oxygen between their carbonyl groups replaced with an amide group, I'm curious as to whether they're stable in water or ...
1
vote
1answer
191 views

Bonding in a bridged metal carbonyl

Can someone please explain the bonding in a bridged metal carbonyl (like diiron nonacarbonyl)? I cannot understand what kind of bonds (sigma/pi) exist between the bridging carbonyls and the metals. ...
3
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2answers
3k views

Oxidation of ketones

Ketones are relatively much harder to oxidise, but they do undergo oxidation reactions at extreme temperatures. Our teacher also told us about Popoff's rule which says that during oxidation of ...
2
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0answers
600 views

Oxidation of cyclododecanol to cyclododecanone [closed]

In the oxidation of cyclododecanol to cyclododecanone. In the work up step, after I added diethyl ether and then separated the two layers, organic and aqueous. Then I added diethyl ether again, ...
6
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3answers
950 views

Why do Organolithium or Grignard reagents act as nucleophiles and not as bases with aldehydes and ketones

I've read entire Chapter 14: Organometallic Compounds of Francis Carey's "Organic Chemistry" but I still didn't get an answer to my question. Quote from the book: Because of their basicity ...
1
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1answer
194 views

Can bromide ion ever act like a base?

I was reading MECHANISM OF α-HALOGENATION OF ALDEHYDES AND KETONES: As you can see in the third step. Bromide ion is picking up a base from protonated acetone. Doesn't that step mean that ...