Which of the following is an example of nucleophilic addition of acetone?

Which of the following is an example of nucleophilic addition of acetone?
by

1 Answer

Answer :

Which of the following is an example of nucleophilic addition of acetone? A. Ketal formation B ... gas C. Cyanohydrin formation D. Bisulphite additon
by
selected by

Related questions

Acetone reacts with HCN to form a cyanohydrin. It is an example of (a) Electrophilic addition (b) Electrophilic substitution (c) Nucleophilic addition(d) Nucleophilic substitution

Description : Acetone reacts with HCN to form a cyanohydrin. It is an example of (a) Electrophilic addition (b) Electrophilic substitution (c) Nucleophilic addition (d) Nucleophilic substitution

Last Answer : Nucleophilic addition

Benzene reacts with concentrated HNO3 in the presence of concentrated H2SO4 to give nitrobenzene. This reaction is an example of (a) Electrophilic addition (b) Nucleophilic addition (c) Electrophilic substitution (d) Nucleophilic substitution

Description : Benzene reacts with concentrated HNO3 in the presence of concentrated H2SO4 to give nitrobenzene. This reaction is an example of (a) Electrophilic addition (b) Nucleophilic addition (c) Electrophilic substitution (d) Nucleophilic substitution

Last Answer : Electrophilic substitution

Benzene reacts with concentrated HNO3 in the presence of concentrated H2SO4 to give nitrobenzene. This reaction is an example of (a) Electrophilic addition (b) Nucleophilic addition (c) Electrophilic substitution (d) Nucleophilic substitution

Description : Benzene reacts with concentrated HNO3 in the presence of concentrated H2SO4 to give nitrobenzene. This reaction is an example of (a) Electrophilic addition (b) Nucleophilic addition (c) Electrophilic substitution (d) Nucleophilic substitution

Last Answer : Electrophilic substitution

Propene reacts with bromine to form 1,2-dibromopropane. This is an example of (a) Nucleophilic addition (b) Electrophilic addition (c) Nucleophilic substitution (d) Electrophilic substitution

Description : Propene reacts with bromine to form 1,2-dibromopropane. This is an example of (a) Nucleophilic addition (b) Electrophilic addition (c) Nucleophilic substitution (d) Electrophilic substitution

Last Answer : Electrophilic addition

The chlorination of methane to give CCl4 is an example of (a) an electrophilic addition (b) a free-radical substitution (c) a nucleophilic addition (d) an electrophilic substitution

Description : The chlorination of methane to give CCl4 is an example of (a) an electrophilic addition (b) a free-radical substitution (c) a nucleophilic addition (d) an electrophilic substitution

Last Answer : a free-radical substitution

Arrange the following compounds in decreasing order of nucleophilic addition with semicarbazide `NH_(2)NHCONH_(2)` i.e., `ddot(N)H_(2)-ddot(Z)`

Description : Arrange the following compounds in decreasing order of nucleophilic addition with semicarbazide `NH_(2)NHCONH_(2)` i.e., `ddot(N)H_(2)-ddot(Z)`

Last Answer : Arrange the following compounds in decreasing order of nucleophilic addition with semicarbazide `NH_(2)NHCONH_(2)` i.e., `ddot(N)H_(2)-ddot(Z)`

Arrange the following compounds in decreasing order of nucleophilic addition with semicarbazide `NH_(2)NHCONH_(2)` i.e., `ddot(N)H_(2)-ddot(Z)`

Description : Arrange the following compounds in decreasing order of nucleophilic addition with semicarbazide `NH_(2)NHCONH_(2)` i.e., `ddot(N)H_(2)-ddot(Z)`

Last Answer : Arrange the following compounds in decreasing order of nucleophilic addition with semicarbazide `NH_(2)NHCONH_(2)` i.e., `ddot(N)H_(2)-ddot(Z)`

Which gives nucleophilic addition reaction?

Description : Which gives nucleophilic addition reaction?

Last Answer : Which gives nucleophilic addition reaction? A. Methanal B. Ethanal C. Propanone D. Propene

Nucleophilic addition reaction will be most favoured in

Description : Nucleophilic addition reaction will be most favoured in

Last Answer : Nucleophilic addition reaction will be most favoured in A. `CH_(3)CH_(2)CHO` B. `CH_(3)CHO` C. `CH_(3)CH_(2)CH_(2 ... |)C-CH_(3)` D. `(CH_(3))_(2)C=O`

What is nucleophilic addition reaction ?

Description : What is nucleophilic addition reaction ?

Last Answer : When the attacking species during the addition reaction is Nucleophilic, it is nucleophilic addition reaction. Ex; Acetaldehyde cynohydrin

Arrange the following carboxyl compounds in increasing order of their reactivity in nucleophilic addition reactions. Explain with proper reasoning : Benzaldehyde. p-tolualdeyde, p-nitrobenzaldehyde, Acetophenone.

Description : Arrange the following carboxyl compounds in increasing order of their reactivity in nucleophilic addition reactions. Explain with proper reasoning : Benzaldehyde. p-tolualdeyde, p-nitrobenzaldehyde, Acetophenone.

Last Answer : Ans. Acetophenone is a ketone while all others are aldehydes, therefore it is least reactive. In p-tolualdehyde, there is methyl group (CH3 ) at para position w.r.t. to the ... overall order of increasing reactivity : acetophenone < p-tolualdehyde < benzaldehyde < p-nitrobenzaldehyde. 

The characteristic reaction of carboxylic acids is : (a) electrophilic addition (b) electrophilic substitution (c) nucleophilic addition (d) nucleophilic substitution

Description : The characteristic reaction of carboxylic acids is : (a) electrophilic addition (b) electrophilic substitution (c) nucleophilic addition (d) nucleophilic substitution

Last Answer : nucleophilic substitution

Why do aldehydes undergo nucleophilic addition reactions while esters undergo nucleophilic acyl substitution reactions? (a) The carbonyl carbon of an ester is more electrophilic than that of an aldehyde. (b) Aldehydes are more sterically hindered than esters. (c) Once the nucleophile adds to an aldehyde, the tetrahedral intermediate is too sterically hindered to eliminate one of the attached groups. (d) Once the nucleophile adds to an aldehyde, neither H− nor R− can be eliminated since they are strongly basic

Description : Why do aldehydes undergo nucleophilic addition reactions while esters undergo nucleophilic acyl substitution reactions? (a) The carbonyl carbon of an ester is more electrophilic than that of an aldehyde. (b) ... adds to an aldehyde, neither H− nor R− can be eliminated since they are strongly basic

Last Answer : Once the nucleophile adds to an aldehyde, neither H− nor R− can be eliminated since they are strongly basic

Which of the following characterizes the reactions of aldehydes and ketones? (a) electrophilic addition (b) electrophilic substitution (c) nucleophilic acyl substitution (d) nucleophilic addition; free radical addition

Description : Which of the following characterizes the reactions of aldehydes and ketones? (a) electrophilic addition (b) electrophilic substitution (c) nucleophilic acyl substitution (d) nucleophilic addition; free radical addition

Last Answer : nucleophilic addition; free radical addition

Alkyl halides undergo (a) Electrophilic substitution reactions (b) Electrophilic addition reactions (c) Nucleophilic substitution reactions (d) Nucleophilic addition reactions

Description : Alkyl halides undergo (a) Electrophilic substitution reactions (b) Electrophilic addition reactions (c) Nucleophilic substitution reactions (d) Nucleophilic addition reactions

Last Answer : Nucleophilic substitution reactions

Which of the following binary systems is an example of a maximum boiling azeotrope? (A) Water-hydrochloric acid (B) Acetone-carbon disulphide (C) Water-ethyl alcohol (D) n-heptane-n-octane

Description : Which of the following binary systems is an example of a maximum boiling azeotrope? (A) Water-hydrochloric acid (B) Acetone-carbon disulphide (C) Water-ethyl alcohol (D) n-heptane-n-octane

Last Answer : (A) Water-hydrochloric acid

An example of Humicant is a). Sodium alginate b). Glycerol c). Acetone d). Petroleum ether

Description : An example of Humicant is a). Sodium alginate b). Glycerol c). Acetone d). Petroleum ether

Last Answer : b). Glycerol

Explain why nucleophilic substitution reactions are not very common in phenols.

Description : Explain why nucleophilic substitution reactions are not very common in phenols.

Last Answer : Explain why nucleophilic substitution reactions are not very common in phenols.

(A) Ethyl chloride is more reactive than vinyl chloride towards nucleophilic substitution reactions. (R) Vinyl chloride is `+I` electron pushing group

Description : (A) Ethyl chloride is more reactive than vinyl chloride towards nucleophilic substitution reactions. (R) Vinyl chloride is `+I` electron pushing group

Last Answer : (A) Ethyl chloride is more reactive than vinyl chloride towards nucleophilic substitution reactions. (R) Vinyl ... A) is incorrect but (R) is correct.

Which of the following can undergo nucleophilic substitution under ordinary conditions? I Allyl chloride II Benzyl chloride III n-Propyl chloride IV V

Description : Which of the following can undergo nucleophilic substitution under ordinary conditions? I Allyl chloride II Benzyl chloride III n-Propyl chloride IV V

Last Answer : Which of the following can undergo nucleophilic substitution under ordinary conditions? I Allyl chloride II ... are correct D. I and III are correct

Arrange the following nucleophiles in the order of their nucleophilic strength.

Description : Arrange the following nucleophiles in the order of their nucleophilic strength.

Last Answer : Arrange the following nucleophiles in the order of their nucleophilic strength. A. `OH^(-)gtCH_(3)COO^(-)gtCH_(3)O^ ... (5)O^(-)ltOH^(-)ltCH_(3)O^(-)`

Which of the following undergoes nucleophilic substitution exclusively by `S_(N^(1))` mechanism?

Description : Which of the following undergoes nucleophilic substitution exclusively by `S_(N^(1))` mechanism?

Last Answer : Which of the following undergoes nucleophilic substitution exclusively by `S_(N^(1))` ... Isopropyl chloride C. Chlorobenzene D. Benzyl chloride

Which one of the following is most reactive towards nucleophilic substitution reaction ?

Description : Which one of the following is most reactive towards nucleophilic substitution reaction ?

Last Answer : Which one of the following is most reactive towards nucleophilic substitution reaction ? A. `H_(2)C=CH-Cl` B. ` ... 3)CH=CHCl` D. `ClCH_(2)-CH=CH_(2)`

Among the following the strongest nucleophilic is

Description : Among the following the strongest nucleophilic is

Last Answer : Among the following the strongest nucleophilic is A. `C_(2)H_(5)SH` B. `CH_(3)COO^(-)` C. `CH_(3)NH_(2)` D. `N"CC"H_(2)^(-)`

Which of the following is least reactive in a nucleophilic substitution reaction?

Description : Which of the following is least reactive in a nucleophilic substitution reaction?

Last Answer : Which of the following is least reactive in a nucleophilic substitution reaction? A. `(CH_(3))_(3)C-Cl` B. `CH_ ... 3)CH_(2)Cl` D. `CH_(2)=CHCH_(2)Cl`

The most nucleophilic nitrogen is in:

Description : The most nucleophilic nitrogen is in:

Last Answer : The most nucleophilic nitrogen is in: A. B. C. D.

Among the given compounds, the most susceptible to nucleophilic attack at the cabonyl group is:

Description : Among the given compounds, the most susceptible to nucleophilic attack at the cabonyl group is:

Last Answer : Among the given compounds, the most susceptible to nucleophilic attack at the cabonyl group is: A. `MeCOCl` B. `MeCHO` C. `MeCOOMe` D. `MeCOOCOMe`

Nucleophilic part of the reagent attacks the substrate `CH_(3)CH_(2)COCH_(3)` on the :

Description : Nucleophilic part of the reagent attacks the substrate `CH_(3)CH_(2)COCH_(3)` on the :

Last Answer : Nucleophilic part of the reagent attacks the substrate `CH_(3)CH_(2)COCH_(3)` on the : A. carbon atom ... group C. methyl group D. `CH_(2)` group

The nucleophilic attack on the esterified carboxyl group of the peptidyl-tRNA occupying the P site and the α-amino group of the new amino acyl tRNA, the number of ATP required by the amino acid on the charged tRNA is (A) Zero (B) One (C) Two (D) Four

Description : The nucleophilic attack on the esterified carboxyl group of the peptidyl-tRNA occupying the P site and the α-amino group of the new amino acyl tRNA, the number of ATP required by the amino acid on the charged tRNA is (A) Zero (B) One (C) Two (D) Four

Last Answer : Answer : A

The α-amino group of the new amino acyl tRNA in the A site carries out a nucleophilic attack on the esterified carboxyl group of the peptidyl tRNA occupying the P site. This reaction is catalysed by (A) DNA polymerase (B) RNA polymerase (C) Peptidyl transferase (D) DNA ligase

Description : The α-amino group of the new amino acyl tRNA in the A site carries out a nucleophilic attack on the esterified carboxyl group of the peptidyl tRNA occupying the P site. This reaction is catalysed by (A) DNA polymerase (B) RNA polymerase (C) Peptidyl transferase (D) DNA ligase

Last Answer : Answer : C

The enzyme amino acyl tRNA synthetase is involved in (A) Dissociation of discharged tRNA from 80S ribosome (B) Charging of tRNA with specific amino acids (C) Termination of protein synthesis (D) Nucleophilic attack on esterified carboxyl group of peptidyl tRNA

Description : The enzyme amino acyl tRNA synthetase is involved in (A) Dissociation of discharged tRNA from 80S ribosome (B) Charging of tRNA with specific amino acids (C) Termination of protein synthesis (D) Nucleophilic attack on esterified carboxyl group of peptidyl tRNA

Last Answer : Answer : B

Why does benzene undergo electrophilic substitution reactions easily and nucleophilic substitutions with difficulty?

Description : Why does benzene undergo electrophilic substitution reactions easily and nucleophilic substitutions with difficulty?

Last Answer : Ans. Due to the presence of an electron cloud containing 6 pi electrons above and below the plane of the ring, benzene is a source of electrons. Consequently, it attracts ... . As a result, benzene undergoes electrophilic substitution reactions easily and nucleophilic substitution with difficulty.

Quinoline undergoes nucleophilic substitution on heating with NaNH2 to give (a) 2-Aminoquinoline (b) 4-Aminoquinoline (c) 3-Aminoquinoline (d) 8-Aminoquinoline

Description : Quinoline undergoes nucleophilic substitution on heating with NaNH2 to give (a) 2-Aminoquinoline (b) 4-Aminoquinoline (c) 3-Aminoquinoline (d) 8-Aminoquinoline

Last Answer : 2-Aminoquinoline

Aryl halides are less reactive towards nucleophilic substitution as compared to alkyl halides due to (a) Inductive effect (b) Resonance stabilization (c) Tautomerism (d) Stereoisomerism

Description : Aryl halides are less reactive towards nucleophilic substitution as compared to alkyl halides due to (a) Inductive effect (b) Resonance stabilization (c) Tautomerism (d) Stereoisomerism

Last Answer : Resonance stabilization

Phenol is an ortho-para director because the hydroxyl group : (a) donates electrons that increase electron density at ortho and para positions favoring nucleophilic attack. (b) donates electrons that increase electron density at ortho and para positions favoring electrophilic attack. (c) donates electrons to the ortho and para positions and attracts electrons away from meta positions favoring nucleophilic attack of the ring. (d) donates electrons to the ortho and para positions and attracts electrons away from meta positions favoring electrophilic attack on the ring.

Description : Phenol is an ortho-para director because the hydroxyl group : (a) donates electrons that increase electron density at ortho and para positions favoring nucleophilic attack. (b) donates ... para positions and attracts electrons away from meta positions favoring electrophilic attack on the ring.

Last Answer : donates electrons that increase electron density at ortho and para positions favoring electrophilic attack.

Esters can be formed by nucleophilic substitution reactions of : (a) carboxylic acids and alcohols ; acid-catalyzed (b) acid chlorides and alcohols (c) both of the above (d) neither of the above

Description : Esters can be formed by nucleophilic substitution reactions of : (a) carboxylic acids and alcohols ; acid-catalyzed (b) acid chlorides and alcohols (c) both of the above (d) neither of the above

Last Answer : both of the above

Which of the following statements describes the first step in the mechanism of the aldol condensation? (a) An alpha hydrogen is abstracted by the base to form an enolate anion. (b) A nucleophilic base attacks the carbonyl carbon atom. (c) The carbonyl oxygen is protonated by the base ion. (d) The alpha hydrogen is abstracted by an acid to the enolate anion.

Description : Which of the following statements describes the first step in the mechanism of the aldol condensation? (a) An alpha hydrogen is abstracted by the base to form an enolate anion. (b) A nucleophilic base attacks ... by the base ion. (d) The alpha hydrogen is abstracted by an acid to the enolate anion.

Last Answer : An alpha hydrogen is abstracted by the base to form an enolate anion

Esters and amides are most easily made by nucleophilic acyl substitution reactions on : (a) acid anhydrides (b) carboxylates (c) carboxylic acids (d) acid chlorides

Description : Esters and amides are most easily made by nucleophilic acyl substitution reactions on : (a) acid anhydrides (b) carboxylates (c) carboxylic acids (d) acid chlorides

Last Answer : acid chlorides

Acetyl chloride undergoes nucleophilic substitution at a faster rate than methyl acetate because __________. (a) the ester is more sterically hindered than the acid chloride (b) the acid chloride is more sterically hindered than the ester (c) the methoxide is a better leaving group than chloride (d) chloride is a better leaving group than methoxide

Description : Acetyl chloride undergoes nucleophilic substitution at a faster rate than methyl acetate because __________. (a) the ester is more sterically hindered than the acid chloride (b) the acid chloride is ... is a better leaving group than chloride (d) chloride is a better leaving group than methoxide

Last Answer : chloride is a better leaving group than methoxide

Which alkyl halides react most readily by nucleophilic substitution? (a) CH3CH2Cl (b) CH3CH2I (c) CH3CH2Br (d) CH3CH2F

Description : Which alkyl halides react most readily by nucleophilic substitution? (a) CH3CH2Cl (b) CH3CH2I (c) CH3CH2Br (d) CH3CH2F

Last Answer : CH3CH2I

The reaction of 1-butene with bromine, Br2, in aqueous solution gives primarily 1-bromo-2-butanol. Identify the nucleophilic species in the reaction. (a) Br2 (b) Br– (c) H2O (d) HOBr

Description : The reaction of 1-butene with bromine, Br2, in aqueous solution gives primarily 1-bromo-2-butanol. Identify the nucleophilic species in the reaction. (a) Br2 (b) Br– (c) H2O (d) HOBr

Last Answer : H2O

Ethylene is obtained from ethyl bromide by : (a) Simple heating (b) Hydrolysis (c) Dehydrohalogenation (d) Nucleophilic substitution

Description : Ethylene is obtained from ethyl bromide by : (a) Simple heating (b) Hydrolysis (c) Dehydrohalogenation (d) Nucleophilic substitution

Last Answer : Dehydrohalogenation

Some people clean their glass bongs with acetone. How dangerous is that?

Description : Some people clean their glass bongs with acetone. How dangerous is that?

Last Answer : Don’t!!!! DO it.

Physically and/or chemically speaking, how did I ruin my CD by attempting to clean it with non-acetone nail polish remover?

Description : Physically and/or chemically speaking, how did I ruin my CD by attempting to clean it with non-acetone nail polish remover?

Last Answer : What is in your solvent. Did it “frost” the surface?

Is non-acetone nail polish remover any better than the regular nail polish remover?

Description : Is non-acetone nail polish remover any better than the regular nail polish remover?

Last Answer : Non-acetone remover will not damage acrylic nails, and acetone remover will. Acetone tends to dry your nails, so if they are brittle, the non-acetone is better.

Is it safe to use acetone in your car?

Description : Is it safe to use acetone in your car?

Last Answer : If it drips onto your paint, it’s bye bye paint job. Also, I don’t remember exactly, but I think it might tear up hoses and injectors (especially if you have an older car—but doublecheck that fact). You might be better off aero-modding. See aerocivic.com for an example.

Why is there Non-Acetone fingernail polish remover?

Description : Why is there Non-Acetone fingernail polish remover?

Last Answer : Acetone is pretty harsh, back in the nineties I destroyed many of my favorite CDs by picking them up after doing my nails. I still have a tv remote with my fingerprints burned into it thanks to Acetone nail polish remover. It destroys your nails, I won’t touch the stuff anymore.

Can adding acetone to your gas tank actually increase your gas mileage?

Description : Can adding acetone to your gas tank actually increase your gas mileage?

Last Answer : answer:I’ve never tried it, nor have I heard of anyone putting acetone in their gas tank…but I checked snopes.com, and they say it’s false. http://www.snopes.com/autos/techno/acetone.asp

4.A solution of acetone contains 30 ml of acetone in 570 ml of water. Calculate the percentage concentrationof the solute in the solution. -Chemistry

Description : 4.A solution of acetone contains 30 ml of acetone in 570 ml of water. Calculate the percentage concentrationof the solute in the solution. -Chemistry

Last Answer : Volume of acetone =30 ml Volume of water =570 ml Volume of solution = 30 + 570 = 600 ml Concentration of solute in solution = 30 / 600 x 100 ... = 30 / 600 x 100 = 5%

What is the name of the effective root of acetone ?

Description : What is the name of the effective root of acetone ?

Last Answer : The active molecule of acetone is called carbonyl ( > C = O) .