Acid Catalysed Hydrolysis of Esters
Trending Questions
Q. Grignard reagent does nt react with carboxylic acid
Q. Acetone is treated with excess of ethanol is the presence of hydrochloric acid. The product obtained is:
Q. How to compare the acidic strength by inductive and mesomeric effect?
Q. The electrolytic reduction of nitrobenzene in strongly acidic medium produces:
- Aniline
- p-Aminophenol
- Azoxybenzene
- Azobenzene
Q. Which of the following reactions will not result in the formation of carbon-carbon bonds?
- (b) Cannizzaro reaction
- (a) Reimer-Tiemann reaction
- (c) Wurtz reaction
- (d) Friedel-Crafts acylation
Q. In a set of reactions acetic acid yielded a product D
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1314201/original_31-8-11.png)
![](https://df0b18phdhzpx.cloudfront.net/ckeditor_assets/pictures/1314201/original_31-8-11.png)
Q. How to compare the acidic strength by inductive and mesomeric effect?
Q. 1 cyclohexene carboxylic acid on reaction with hcl gives markonikav or antimarkonikav product?
Q.
An ester (X) on hydrolysis gives an acid 'A' and alcohol 'B'. The sodium salt of 'A' on electrolysis gives ethane. When 'B' is distilled with aqueous bleaching powder it forms chloroform. Therefore 'X' may be
CH3 - CH2 - COOCH3
CH3 - COOCH3
CH3 - CH2 - COOC2H5
CH3 - COOC2H5
Q. Write the chemical equations involved in the following reactions:
(i) Kolbe's reaction
(ii) Friedel - Crafts acetylation of anisole
(i) Kolbe's reaction
(ii) Friedel - Crafts acetylation of anisole
Q. When aniline in hydrochloric acid is treated with ice cold solution of sodium nitrite, it gives:
- nitro Aniline
- benzene diazonium chloride
- chloro Aniline
- chlorobenzene
Q. ![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/695330/original_29q.png)
Product ‘A’ is:
![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/695330/original_29q.png)
Product ‘A’ is:
Q. Method by which aniline cannot be prepared is
- Reduction of nitrobenzene with H2/Pd in ethanol
- Potassium salt of phthalimide treated with chlorobenzene followed by hydrolysis with aqueous NaOH solution
- Degradation of benzamide with bromine in alkaline solution
- Hydrolysis of phenylisocyanide with acidic solution
Q. What is the major compound formed in the following reaction?
![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/568702/original_19q.bmp)
![](https://search-static.byjusweb.com/question-images/byjus/infinitestudent-images/ckeditor_assets/pictures/568702/original_19q.bmp)
Q. Hydrolysis of an ester is an example of:
- Addition
- Oxidation
- Elimination
- Substitution
Q. A liquid was mixed with ethanol and a drop of concentrated H2SO4 was added to it. A compound with a fruity smell was formed. The liquid was
- CH3OH
- HCHO
- CH3COCH3
- CH3COOH
Q. Phenol on treatment with CO2 in the presence of NaOH fallowed by acidification produces compound X as the major product. X on treatment with (CH3CO)2O in the presence of catalytic amount of H2SO4 produces:
Q. A silver salt of fatty acid on heating with an alkyl halide gives:
- Ether
- Aldehyde
- Alcohol
- Ester
Q. Phenyl isocyanide is prepared from aniline by:
- Carbylamine reaction
- Rosenmund's reaction
- Reimer-Tiemann reaction
- Kolbe's reaction
- Fittig reaction
Q. Which of the following is not a substrate/reagent/product of Perkin reaction?
- Phenol
- Benzaldehyde
- acetic anhydride
- cinnamic acid
Q.
The reverse of esterification is called:
neutralization
hydrolysis
acidolysis
alcoholysis
Q. Acid catalysed hydrolysis is a reversible reaction whereas base catalysed hydrolysis is an irreversible reaction.
- True
- False
Q. What is the product for the given reaction?
![243596_56e22d39041a4a628a8d1a5bb0eb5a38.png](https://search-static.byjusweb.com/question-images/toppr_ext/questions/243596_56e22d39041a4a628a8d1a5bb0eb5a38.png)
![243596_56e22d39041a4a628a8d1a5bb0eb5a38.png](https://search-static.byjusweb.com/question-images/toppr_ext/questions/243596_56e22d39041a4a628a8d1a5bb0eb5a38.png)
Q. Acetic acid is a weak electrolyte because________________
- its molecular weight is high
- it does not dissociate much or its ionization is very less
- it is highly unstable
- it is covalent compound
Q.
An ester (X) on hydrolysis gives an acid 'A' and alcohol 'B'. The sodium salt of 'A' on electrolysis gives ethane. When 'B' is distilled with aqueous bleaching powder it forms chloroform. Therefore 'X' may be
CH3 - COOCH3
CH3 - CH2 - COOCH3
CH3 - COOC2H5
CH3 - CH2 - COOC2H5
Q. Grignard reagent does nt react with carboxylic acid
Q. Which of the following reactions does not show the correct products of the reaction?
- CH3−CH=CH2HCl−−→CH3−CH|Cl−CH3
- CH3−CH=CH2HBr−−−−−→PeroxideCH3−CH2−CH2Br
- CH3−CH=CH2HCl−−−−−→PeroxideCH3−CH2−CH2Cl
- CH3−CH=CH2HBr−−−→CH3−Br|CH−CH3
Q. What is the major compound formed in the following reaction?
![](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/568702/original_19q.bmp)
![](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/568702/original_19q.bmp)
Q. Which of the following reactions will give α− hydroxy acid as a product?
- CH3−CHO(i)NaCN/HCl−−−−−−−−−→(ii)H2O/H⊕/Δ
- CH3−CHO+Br−CH2−COOC2H5(i)Zn−−−−−−−−−−−→(ii)NH4Cl/HOH(iii)HOH/H⊕/Δ
- CH3−COOHNaOH/HOH−−−−−−−−→
- All of these
Q. Which of the following products is/are not formed in the following reaction?
![](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/489963/original_Q7.bmp)
![](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/489963/original_Q7.bmp)
- Phthalic acid
- Propionic acid
- Acetic acid
- Salicylic acid