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explain cellobiose cellobiose is a dimer of d-glucose it is hydrolyzed by aqueous acid into two molar equivalents of d-
tert-butylaminetert-butylamine cannot be prepared by the gabriel synthesis because it would require that the nitrogen of phthalimide be alkylated
explain cmr spectrum22-dimethyl-1-propanamine neopentylamine ch33cch2nh2 has a maximum of three resonances in its cmr spectrum
reaction of conjugate additionthis reaction is a conjugate addition of cyanide ion on a cyclopropane notice that reaction at the least branched
the reaction equations for the dissociation of dithzone into chelate anions and the formation of metal-dithizone
lithium aluminum hydride lithium aluminum hydride reduces the carbonyl group to an
conjugate-base anion of diethyl malonatethe conjugate-base anion of diethyl malonate would be formed with sodium ethoxide but it would not react with
the ketone is more stable than its enolbecause the ketone is more stable than its enol more energy must be expended for it to ionize consequently
why the rate of ketone halogenation is independentbecause the rate of ketone halogenation is independent of the halogen concentration the rates of
explain protonationprotonation of the ring double bond gives a tertiary carbocation that reacts with the carbonyl oxygen of the ester to give the
the reversible hydration of carbon dioxide the reversible hydration of carbon dioxide to carbonic acid is an acid-catalyzed addition of water that is
carboxylate salts carboxylate salts are less reactive than esters in nucleophilic acyl substitution reactions for two reasons first resonance
explain resonance effectsresonance effects the application of the resonance effect for predicting the relative rates of acid-catalyzed ester and
explain the compound decarboxylatesthe compound decarboxylates it is a disubstituted malonic acid in which the two a substituents are connected
what is anionic intermediatethe spectrum is consistent with the formation of an anionic intermediate-a stable meisenheimer complex the dotted
nucleophilic aromatic substitution reactionthe product is formed by a nucleophilic aromatic substitution reaction in which chloride is displaced by
explain the un-ionized form of vanillinit is the un-ionized form of vanillin that has the typical odor in naoh solution the phenol group
valence electron of pdpd has ten valence electrons in the neutral atom there are no charges and no x-type ligands in the complex as this is a d10
generation of the electrophile the electrophile is the carbocation produced by protonation of the alcohol oxygen and loss of
ethylbenzene ethylbenzene has a three-proton triplet and at somewhat greater chemical shift in the benzylic proton region a two-proton quartet
explain bromination of n-n-dimethylaniline bromination of nn-dimethylaniline is faster because nitrogen has an unshared electron pair that can
the color of b-carotenethe color of b-carotene is because of its chromophore of extensively conjugated double bonds catalytic hydrogenation would
resonance for the methyl group at room temperaturethe resonance for the methyl group at room temperature is a singlet when the temperature is lowered
the hydration rate of the deuterium-substituted styrene should vary very little if at all from that of styrene itself because the deuteriums are not
acetanilide in waterwater can accept a hydrogen bond from the hydrogen of the n-h bond and can donate a hydrogen bond to the oxygen of the cao bond