Which of the following is a Lewis acid? (a) AlCl3 (b) CH3OH (c) NH3 (d) CH3OCH3

Which of the following is a Lewis acid?
(a) AlCl3
(b) CH3OH
(c) NH3
(d) CH3OCH3
by

1 Answer

Answer :

AlCl3
by

Related questions

Which of the following pairs of compounds will not form hydrogen bonds with each other? (a) CH3OH and CH3CH2OH (b) CH3SH and CH3CH2SH (c) CH3OCH3 and CH3CH2OCH2CH3 (d) CH3COOH and H2O

Description : Which of the following pairs of compounds will not form hydrogen bonds with each other? (a) CH3OH and CH3CH2OH (b) CH3SH and CH3CH2SH (c) CH3OCH3 and CH3CH2OCH2CH3 (d) CH3COOH and H2O

Last Answer : CH3OCH3 and CH3CH2OCH2CH3

Which of the following has the greatest solubility in CH3CH2CH2CH3? (a) CH3OH (b) CH3NH2 (c) CH3OCH3 (d) (CH3)3CH

Description : Which of the following has the greatest solubility in CH3CH2CH2CH3? (a) CH3OH (b) CH3NH2 (c) CH3OCH3 (d) (CH3)3CH

Last Answer : (CH3)3CH

Which of the following is not a nucleophile? (a) FeBr3 (b) Br– (c) NH3 (d) CH3OCH3

Description : Which of the following is not a nucleophile? (a) FeBr3 (b) Br– (c) NH3 (d) CH3OCH3

Last Answer : CH3OCH3

Which of the following are Lewis bases? (a) NF3 (b) BF3 (c) CH3OCH3 (d) (a) and (c

Description : Which of the following are Lewis bases? (a) NF3 (b) BF3 (c) CH3OCH3 (d) (a) and (c

Last Answer : (a) and (c

Which of the following is not a nucleophile? (a) NH3 (b) HSO3– (c) AlCl3 (d) HO–

Description : Which of the following is not a nucleophile? (a) NH3 (b) HSO3– (c) AlCl3 (d) HO–

Last Answer : AlCl3

Which of the following is not an electrophile? (a) NH3 (b) Br+ (c) AlCl3 (d) NO2+

Description : Which of the following is not an electrophile? (a) NH3 (b) Br+ (c) AlCl3 (d) NO2+

Last Answer : NH3

Why is NH3 called Lewis Alkali ?

Description : Why is NH3 called Lewis Alkali ?

Last Answer : According to the Lewis theory of acid-base, all the compounds that can give electrons to protons are called bases. The compounds containing mainly free electrons behave like Lewis alkalis. The nitrogen of NH 3 ... it can donate a pair of electrons to protons. That is why it is called Lewis alkali.

Oil of Wintergreen (Methyl salicylate) is obtained by treating salicylic acid with (a) Methane at 150°C (b) CH3OH and conc. H2SO4 (c) Methyl chloride (d) NaOH and then CH3OH

Description : Oil of Wintergreen (Methyl salicylate) is obtained by treating salicylic acid with (a) Methane at 150°C (b) CH3OH and conc. H2SO4 (c) Methyl chloride (d) NaOH and then CH3OH

Last Answer : CH3OH and conc. H2SO4

Methylamine reacts with nitrous acid to form (a) CH3CH3 (b) CH3OH (c) CH3NO2 (d) CH3CH2OH

Description : Methylamine reacts with nitrous acid to form (a) CH3CH3 (b) CH3OH (c) CH3NO2 (d) CH3CH2OH

Last Answer : CH3OH

Which of the following is the strongest acid? (a) HI (b) H2O (c) CH4 (d) CH3OH

Description : Which of the following is the strongest acid? (a) HI (b) H2O (c) CH4 (d) CH3OH

Last Answer : HI

Benzene reacts with acetic anhydride in the presence of AlCl3 to form (a) Acetophenone (b) Benzophenone (c) Phenylacetic acid (d) Phenyl acetate

Description : Benzene reacts with acetic anhydride in the presence of AlCl3 to form (a) Acetophenone (b) Benzophenone (c) Phenylacetic acid (d) Phenyl acetate

Last Answer : Acetophenone

Which of the following statements is false about toluene? (a) can be prepared by treating benzene with methyl chloride in the presence of AlCl3. (b) is converted to benzoic acid on refluxing with acidic KMnO4 solution. (c) on refluxing with concentrated H2SO4 gives a mixture of ortho and para toluenesulfonic acid. (d) can be nitrated with concentrated nitric acid to give a mixture of ortho and meta nitrotoluene.

Description : Which of the following statements is false about toluene? (a) can be prepared by treating benzene with methyl chloride in the presence of AlCl3. (b) is converted to benzoic acid on refluxing with ... (d) can be nitrated with concentrated nitric acid to give a mixture of ortho and meta nitrotoluene.

Last Answer : can be nitrated with concentrated nitric acid to give a mixture of ortho and meta nitrotoluene

Which compound has the highest boiling point? (a) CH3CH3 (b) CH3OCH3 (c) CH3CH2OH (d) CH3COOH

Description : Which compound has the highest boiling point? (a) CH3CH3 (b) CH3OCH3 (c) CH3CH2OH (d) CH3COOH

Last Answer : CH3COOH

The compound in which hydrogen bonding is not possible is (a) CH3OCH3 (b) H2O (c) CH3CH2OH (d) CH3COOH

Description : The compound in which hydrogen bonding is not possible is (a) CH3OCH3 (b) H2O (c) CH3CH2OH (d) CH3COOH

Last Answer : CH3OCH3

The compound with the lowest boiling point is (a) H2O (b) CH3CH2OH (c) CH3OCH3 (d) CH3CH2CH3

Description : The compound with the lowest boiling point is (a) H2O (b) CH3CH2OH (c) CH3OCH3 (d) CH3CH2CH3

Last Answer : CH3CH2CH3

Which of the following is the best nucleophile in water? (a) I– (b) CH3SCH3 (c) CH3OCH3 (d) Cl–

Description : Which of the following is the best nucleophile in water? (a) I– (b) CH3SCH3 (c) CH3OCH3 (d) Cl–

Last Answer : I–

Ethanol (CH3CH2OH) and dimethyl ether (CH3OCH3) are best considered : (a) structural isomers (b) stereoisomers (c) enantiomers(d) diastereomers

Description : Ethanol (CH3CH2OH) and dimethyl ether (CH3OCH3) are best considered : (a) structural isomers (b) stereoisomers (c) enantiomers (d) diastereomers

Last Answer : structural isomers

Which one of the following substances will form strong hydrogen bonds? A HCOOH B CH3CN C CCl4 D SiH4 E CH3OCH3

Description : Which one of the following substances will form strong hydrogen bonds? A HCOOH B CH3CN C CCl4 D SiH4 E CH3OCH3

Last Answer : A HCOOH

Methanol cannot be dried with anhydrous CaCl2 because - (1) CaCl2 dissolves in it (2) it is not good dehydrating agent (3) it forms a solid CaCl2 × 4CH3OH (4) it reacts with CH3OH

Description : Methanol cannot be dried with anhydrous CaCl2 because - (1) CaCl2 dissolves in it (2) it is not good dehydrating agent (3) it forms a solid CaCl2 × 4CH3OH (4) it reacts with CH3OH

Last Answer : (3) it forms a solid CaCl2 × 4CH3OH

Anisole on heating with concentrated HI gives (a) Iodobenzene (b) Phenol + CH3I (c) Iodobenzene + CH3OH (d) Phenol + CH3OH

Description : Anisole on heating with concentrated HI gives (a) Iodobenzene (b) Phenol + CH3I (c) Iodobenzene + CH3OH (d) Phenol + CH3OH

Last Answer : Phenol + CH3I

Which of the following is least soluble in water? (a) CH3OH (b) CH3CH2OH (c) CH3SH (d) HOCH2CH2OH

Description : Which of the following is least soluble in water? (a) CH3OH (b) CH3CH2OH (c) CH3SH (d) HOCH2CH2OH

Last Answer : CH3SH

Which of the following is the best method for preparing CH3Br? (a) CH3OH + Br– (b) CH3OH + HBr (c) CH3OH + Br2 (d) CH3OH + NaBr

Description : Which of the following is the best method for preparing CH3Br? (a) CH3OH + Br– (b) CH3OH + HBr (c) CH3OH + Br2 (d) CH3OH + NaBr

Last Answer : CH3OH + HBr

Which of the following has the highest boiling point? (a) CH3CH2OH (b) CH3CH2CH2CH2OH (c) CH3OH (d) CH3CH2CH2OH

Description : Which of the following has the highest boiling point? (a) CH3CH2OH (b) CH3CH2CH2CH2OH (c) CH3OH (d) CH3CH2CH2OH

Last Answer : CH3CH2CH2CH2OH

Which of the following is the strongest base? (a) HOMgBr (b) H2O (c) CH3OH (d) CH3MgBr

Description : Which of the following is the strongest base? (a) HOMgBr (b) H2O (c) CH3OH (d) CH3MgBr

Last Answer : CH3MgBr

Which of the following molecules or ions is NOT formed when K metal reacts with liquid CH3OH? Is it: w) potassium ion x) hydrogen ion y) methoxy ion z) hydrogen molecule

Description : Which of the following molecules or ions is NOT formed when K metal reacts with liquid CH3OH? Is it: w) potassium ion x) hydrogen ion y) methoxy ion z) hydrogen molecule

Last Answer : ANSWER: X -- HYDROGEN ION

The substance whose chemical formula is CH3OH is known as w) carbonated water x) grain alcohol y) potable alcohol z) methanol

Description : The substance whose chemical formula is CH3OH is known as w) carbonated water x) grain alcohol y) potable alcohol z) methanol

Last Answer : ANSWER: Z -- METHANOL

Adding Cl2 to benzene in the presence of AlCl3 is an example of – (1) Elimination reaction (2) Substitution reaction (3) None of the options (4) Addition reaction

Description : Adding Cl2 to benzene in the presence of AlCl3 is an example of – (1) Elimination reaction (2) Substitution reaction (3) None of the options (4) Addition reaction

Last Answer : (2) Substitution reaction Explanation: The reaction between benzene and chlorine in the presence of a catalyst such as aluminium chloride gives Chlorobenzene. This reaction is an example of electrophilic substitution ... since one of the hydrogen atoms on the ring is replaced by a chlorine atom.

Out of (a) 1 M CaCl2 (b) 1 M AlCl3 which aqueous soln. will show max. vapour pressure at 300 K ?

Description : Out of (a) 1 M CaCl2 (b) 1 M AlCl3 which aqueous soln. will show max. vapour pressure at 300 K ?

Last Answer : (a) 1 M CaCl3 , if we assume 100% dissociation, i for CaCl2 = 3 and AlCl3 = 4 and relative lowering of V. P. is directly proportional to i.

Iodobenzene can be prepared by (a) treating chlorobenzene with I2 using FeCl3 catalyst. (b) treating phenol with I2 in NaOH solution. (c) treating benzenediazonium chloride with KI (d) treating benzene with CH3I using AlCl3 catalyst

Description : Iodobenzene can be prepared by (a) treating chlorobenzene with I2 using FeCl3 catalyst. (b) treating phenol with I2 in NaOH solution. (c) treating benzenediazonium chloride with KI (d) treating benzene with CH3I using AlCl3 catalyst

Last Answer : treating benzenediazonium chloride with KI

Which of the following agents is used in order to make benzene react with acetyl chloride to give acetophenone?(a) Ultraviolet light (b) AlCl3 catalyst (c) Platinum catalyst (d) Al2O3 catalyst

Description : Which of the following agents is used in order to make benzene react with acetyl chloride to give acetophenone? (a) Ultraviolet light (b) AlCl3 catalyst (c) Platinum catalyst (d) Al2O3 catalyst

Last Answer : AlCl3 catalyst

Toluene reacts with chlorine in the presence of AlCl3 to give (a) o-Chlorotoluene (b) o- plus p-Chlorotoluene (c) m-Chlorotoluene (d) o- plus m-Chlorotoluene

Description : Toluene reacts with chlorine in the presence of AlCl3 to give (a) o-Chlorotoluene (b) o- plus p-Chlorotoluene (c) m-Chlorotoluene (d) o- plus m-Chlorotoluene

Last Answer : o- plus p-Chlorotoluene

Which of the following reagents will react with methyl group rather than thebenzene ring in methylbenzene?(a) Chlorine in the presence of uv light(b) CH3Cl in the presence of AlCl3(c) CH3COCl in the presence of AlCl3(d) Hydrogen in the presence of nickel

Description : Which of the following reagents will react with methyl group rather than the benzene ring in methylbenzene? (a) Chlorine in the presence of uv light (b) CH3Cl in the presence of AlCl3 (c) CH3COCl in the presence of AlCl3 (d) Hydrogen in the presence of nickel

Last Answer : Chlorine in the presence of uv light

What is the major organic product of the reaction between benzene and isobutyl chloride in the presence of AlCl3? (a) tert-butylbenzene (b) isobutylbenzene (c) n-butylbenzene (d) chlorobenzene

Description : What is the major organic product of the reaction between benzene and isobutyl chloride in the presence of AlCl3? (a) tert-butylbenzene (b) isobutylbenzene (c) n-butylbenzene (d) chlorobenzene

Last Answer : tert-butylbenzene

Which of the following is a nucleophile? (a) AlCl3 (b) H3O+ (c) BF3 (d) CN–

Description : Which of the following is a nucleophile? (a) AlCl3 (b) H3O+ (c) BF3 (d) CN–

Last Answer : CN–

Adding Cl2 to benzene in the presence of AlCl3 is an example of : (1) Elimination reaction (2) Substitution reaction (3) None of the options (4) Addition reaction

Description : Adding Cl2 to benzene in the presence of AlCl3 is an example of : (1) Elimination reaction (2) Substitution reaction (3) None of the options (4) Addition reaction

Last Answer : Substitution reaction

What intermolecular forces exist in CH3OH?

Description : What intermolecular forces exist in CH3OH?

Last Answer : Need answer

How do i Calculate the mass of 2.50 mol of CH3OH(l). Show my work and Use the appropriate number of significant digits in your final answer.?

Description : How do i Calculate the mass of 2.50 mol of CH3OH(l). Show my work and Use the appropriate number of significant digits in your final answer.?

Last Answer : Answers is the place to go to get the answers you need and to ask the questions you want

How many grams of CH3OH must be added to water to prepare 150 mL of a solution that is 4.5 M CH3OH?

Description : How many grams of CH3OH must be added to water to prepare 150 mL of a solution that is 4.5 M CH3OH?

Last Answer : The answer is 9.6 grams.

Which of the following compounds is the strongest acid? w) NH3 x) PH3 y) H2O z) H2S

Description : Which of the following compounds is the strongest acid? w) NH3 x) PH3 y) H2O z) H2S

Last Answer : ANSWER: Z -- H2S

What is 'acid and alkali' according to scientist Lewis ?

Description : What is 'acid and alkali' according to scientist Lewis ?

Last Answer : Lewis, the scientist who advocated the electronic doctrine of acid and alkali. According to his theory, the compound that receives electrons is called acid. And the compound that rejects electrons is called alkali.

The chlorides of both beryllium and aluminium are Lewis acid Why ?

Description : The chlorides of both beryllium and aluminium are Lewis acid Why ?

Last Answer : Ans Incomplete octate.

Do you expect the carbon hydride of the type (CnH2n+2) to acts as Lewis acid or bases? Justify your answer

Description : Do you expect the carbon hydride of the type (CnH2n+2) to acts as Lewis acid or bases? Justify your answer

Last Answer : Ans: carbon hydride of the types(CnH2n+2)are electron-precise hydrides. In other words they have exact number of electron to form covalent bonds therefore they do not show any tendency to either gain or lose electron hence they are neither Lewis acid or Lewis bases.

What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene? (a) It serves as a radical initiator to produce the chlorine radical needed to propagate the chain reaction. (b) It functions by destabilizing the carbocationic intermediate and thereby increases the rate of H+ loss. (c) It serves as a Lewis base catalyst by reacting with Cl2 to generate chloride ions. (d) It serves as a Lewis acid catalyst by reacting with the Cl2 and thereby activates it toward attack by benzene’s π electrons.

Description : What purpose does FeCl3 serve in the electrophilic aromatic substitution reaction between chlorine and benzene? (a) It serves as a radical initiator to produce the chlorine radical needed to propagate the ... by reacting with the Cl2 and thereby activates it toward attack by benzene's π electrons.

Last Answer : It serves as a Lewis acid catalyst by reacting with the Cl2 and thereby activates it toward attack by benzene’s π electrons.

Which is defined as a species that accepts a proton? (a) Lewis acid (b) Lewis base (c) Bronsted-Lowry acid (d) Bronsted-Lowry base

Description : Which is defined as a species that accepts a proton? (a) Lewis acid (b) Lewis base (c) Bronsted-Lowry acid (d) Bronsted-Lowry base

Last Answer : Bronsted-Lowry base

A nucleophile acts as a __________ when it reacts with an electrophile. (a) Bronsted-Lowry acid (b) Arrhenius base (c) Lewis acid (d) Lewis base

Description : A nucleophile acts as a __________ when it reacts with an electrophile. (a) Bronsted-Lowry acid (b) Arrhenius base (c) Lewis acid (d) Lewis base

Last Answer : Lewis base

An electrophile acts as a __________ when it reacts with a nucleophile. (a) Bronsted-Lowry base (b) Arrhenius base (c) Lewis acid(d) Lewis base

Description : An electrophile acts as a __________ when it reacts with a nucleophile. (a) Bronsted-Lowry base (b) Arrhenius base (c) Lewis acid (d) Lewis base

Last Answer : Lewis acid

_______ Lewis Acid - Base Complexation Chemistry includes all the common mineral acids. (a) Type – 1 (b) Type – 2 (c) Type – 3 (d) Type – 4

Description : _______ Lewis Acid - Base Complexation Chemistry includes all the common mineral acids. (a) Type – 1 (b) Type – 2 (c) Type – 3 (d) Type – 4

Last Answer : (c) Type – 3

A compound which is an electron pair donor is generally classified as a: w) Lewis acid x) Bronsted base y) Bronsted acid z) Lewis base

Description : A compound which is an electron pair donor is generally classified as a: w) Lewis acid x) Bronsted base y) Bronsted acid z) Lewis base

Last Answer :  ANSWER: Z -- LEWIS BASE 

A substance that accepts an electron pair is classified as a: w) bronsted-lowry acid x) bronsted-lowry base y) lewis acid z) lewis base

Description : A substance that accepts an electron pair is classified as a: w) bronsted-lowry acid x) bronsted-lowry base y) lewis acid z) lewis base

Last Answer : ANSWER: Y -- LEWIS ACID

Any species that acts as an electron-pair acceptor a: w) Lewis base x) Bronsted base y) Lewis acid z) Bronsted acid

Description : Any species that acts as an electron-pair acceptor a: w) Lewis base x) Bronsted base y) Lewis acid z) Bronsted acid

Last Answer : ANSWER: Y -- LEWIS ACID