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Which is the correct mechanism for the ozonolysis of an alkyne?
According to Organic Chemistry by Jonathan Clayden, Nick Greeves and Stuart Warren (2nd edition), the mechanism for alkene ozonolysis is given asIn Advanced Organic Chemistry, Part B: Reactions and...
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Answer by Chakravarthy Kalyan for Reaction mechanism of rearrangement
The first step is nucleophilic substitution.It is possible for nucleophile to attack directly at the allylic position, displacing the leaving group in a single step, in a process referred to as...
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Answer by Chakravarthy Kalyan for Which is the most acidic hydrogen in vitamin C
Compare the $\ce{OH}$ bonds in Vitamin C (ascorbic acid) and decide which one is the most acidic. The most acidic proton in ascorbic acid is the one whose conjugate base is most resonance...
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Which functional group gets reduced first?
The following is a reduction reaction. In the reduction of 2 to 3, keto group undergoes reduction by nucleophillic addition.Ester could undergo nucleophillic acyl substitution to give an aldo group,...
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Which of the canonical structures contributes more to resonance hybrid?
I am quoting a rule on resonance from Organic Chemistry by T.W. Graham Solomons, Craig B. Fryhle, 12th edition, page 25.Structures in which all the atoms have a complete valence shell of electrons...
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Answer by Chakravarthy Kalyan for What Are Examples of Reducing Sugar in...
Quoting from medium.comIf it wasn’t for Maillard, we would not have juicy seared steak, deep fried chicken wings, nor grilled sausages. All these browning, aromas and flavor bursts are a result of...
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Answer by Chakravarthy Kalyan for What atom would be protonated first in a...
In the given moleculeD's lone pair on oxygen is in conjugation with C=O group. Consequently it acquires a positive charge, its Kb is less for protonation to take place (as shown in scheme 1, as pointed...
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Will ferrocene undergo electrophilic aromatic substitution?
Ferrocene has two structures (1 and 2). It is bonded to the aromatic cyclopentadienyl anion. Aromatic species such as benzene, cyclopentadienyl anion undergo electrophilic aromatic substitutions.Then,...
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Answer by Chakravarthy Kalyan for Nucleophilicity in polar aprotic solvent...
let me start with nucleophilicity of halides. In protic polar solvent, $\ce{F^-}$ is more solvated (hydrogen bonding) than $\ce{I^-}$ and hence less reactive.In polar aprotic solvent$\ce{F^-}$...
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Why is porphyrin aromatic?
I was asked which of the following were aromatic:My understanding of aromatic nature is, that the molecule must be cyclic, planar, every atom in the ring must be $sp^2$-hybridized and the molecule must...
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