Questions tagged [carbonyl-compounds]
For questions about compounds containing the carbonyl group, C=O, the carboxylic acid group (-COOH), or its derivatives (anhydrides/esters/amides/acid halides). For questions about complexes involving carbon monoxide as a ligand use [carbonyl-complexes] instead.
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What causes the four proton signals closest to the carbonyl in tetraphenylcyclopentadienone to appear more upfield than the other 16 aromatic protons?
What causes the four proton signals closest to the carbonyl in tetraphenylcyclopentadienone to appear more upfield than the other 16 aromatic protons? It's my current understanding that the carbonyl ...
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Mechanism of Jones oxidation
We were required to find the number of moles of $CrO_3$ required to oxidize 6 moles of heptan-2-ol. I tried balancing the equation but I am not aware of the final chromium containing product. Knowing ...
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Why does the rate law of Cannizzaro reaction include a term for base?
The rate law of Cannizzaro reaction in mild base is
$$\mathrm{rate_1} = k[\ce{RCHO}]^2 [\ce{OH^-}],\tag{1}$$
while in concentrated base the rate becomes
$$\mathrm{rate_2} = k[\ce{RCHO}]^2[\ce{OH^-}]^2\...
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What exactly does 'isomerism' mean?
Today, I was confronted with this question -
Is 2-methylpenten-3-one an isomer of 5-hexen-1-ol?
Some people say yes; while some say otherwise.
I'll put forward the logic on both sides.
The side of ...
2
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Why aren't aldehydes more acidic than saturated alcohols?
Aldehydes (pKa ~17-20) and ketones (pKa >20) are worse acids than alcohols (pKa ~15-16). I have seen that the equilibrium of aldehydes (and ketones) with their hydrates greatly decreases pKa values ...
8
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2
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FTIR Spectra: Did I synthesize ethyl gallate from gallic acid?
I successfully synthesized ethyl gallate from gallic acid and ethanol (of course there are other reagents too, like DCC and Pyridine). Before conducting FTIR analysis, I performed column ...
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Oxidation of 1,2 dicarbonyls by tollens reagent
According to the wiki page on Tollen's reagent
https://en.wikipedia.org/wiki/Tollens%27_reagent#Qualitative_organic_analysis
It also gives a positive test with hydrazines, hydrazones, α-hydroxy ...
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Why is Chromium hexacarbonyl diamagnetic?
So there was a question in coordination chemistry regarding the nature of $\ce{[Cr(CO)_6]}$
The book had the question under VBT and solved it using "strong ligands cause all electrons to pair up&...
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Can someone help me name this molecule? [closed]
I'm having a hard time deciphering it's IUPAC name like I have 4-butanoxy and 3-propanoxy so far, but how do you put it all together with the double-bonded oxygen?
Thank you and really sorry for the ...
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Is acetophenone a saturated compound?
In many of the sites in online, acetophenone is mentioned as an unsaturated compound because of the presence of C=C bond in the phenyl group. But, many of my teachers say that it is a saturated ...
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Does nitroprusside test only work for ketones and not aldehydes?
Since the Brady test will be positive for both aldehydes and ketones, we need a way to distinguish between the two. The Tollen's test is only positive for aldehydes (and $\alpha$-hydroxyketones). I ...
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Nomenclature of C6H5CO-O-NH2
How to name the following compound using IUPAC nomenclature? I found benzyl carbamate to be very close to my structure, but couldn't find an exact compound online which matches mine.
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Oxidation of substituted cyclic ketone using permanganate
From what I had learnt, reaction of this with $\ce{KMnO4}$ should give a dicarboxylic acid after cleavage of the carbon-carbon bond. But apparently this is the reaction that happens:
Why is there a ...
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Why is Benzaldehyde more reactive than propanone in nucleophilic addition, even though it has resonance? [closed]
I am not 100% sure that this is true but this was given in the JEE Main 2020 (03 Sep Shift 2).
Benzaldehyde has resonance and propanone has just +I effect why is then benzaldehyde more reactive in ...
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Acidity of formic acid and 3-fluoropropanoic acid [duplicate]
I'm getting conflicting answers when I want to find out the acidity of 3-fluoropropanoic acid and formic acid.
I argue that 3-fluoropropanoic acid is stronger acid than formic acid as it has a -I ...