36 Questions
What is the order of reactivity of alcohols towards RCOONa in esterification?
tert-alcohol > sec-alcohol > pri-alcohol > methyl alcohol
What is the role of acidic strength of carboxylic acid in esterification?
It plays a minor role in determining the reaction rate
What is the product formed when silver acetate reacts with bromine in the Hunsdiecker reaction?
Methyl bromide
What is the reaction called when methanol is taken in place of ethanol in esterification?
Trans esterification
What is the product formed when a carboxylic acid reacts with ammonia to form an amide?
Acetamide
What is the product formed when a carboxylic acid reacts with a metal to form a salt and hydrogen?
Alkane
What is the product formed when Acetyl chloride reacts with Salicylic acid?
Aspirin
What is the product formed when Acetyl chloride reacts with ammonia?
Acetamide
What is the reaction called when Acetyl chloride reacts with hydrogen in the presence of a catalyst to form Acetaldehyde?
Rosenmund reaction
What is the product formed when Acetyl chloride reacts with diethyl ether?
Ethyl acetate
What happens when Acetyl chloride reacts with amines?
Form substituted amides
What is the product formed when Acetyl chloride reacts with potassium cyanide?
Acetophenone
What is the reaction of ester with alkalies known as?
Saponification
Which of the following is a characteristic of acid hydrolysis of esters?
It is reversible
What is the product formed when ethyl acetate reacts with ammonia?
Acetamide
What is the catalyst commonly used in the catalytic hydrogenation of esters?
Copper chromate
What is the reaction known as when a metal (Na) is used to reduce an ester in the presence of an alcohol?
Bouveault-Blanc reduction
What is the product formed when ethyl acetate is reduced using LiAlH4?
Ethyl alcohol
What is the result of inductive effect on the reactivity of acyl derivatives?
Decreases the reactivity due to -I effect
What is the product formed when phthalic acid reacts with ammonia?
Phthalic amide
Which method of preparation of acyl halides involves the reaction of carboxylic acid with PCl5?
Halogenation
What is the general structure of acyl halides?
R-C-X
What type of reactions are acyl derivatives characterised by?
Nucleophilic substitution
What is the use of phthalic anhydride in the industry?
Manufacture of plastics and dyes
What is the major reason for the lower boiling points of acyl chlorides compared to their parent acids?
They are unable to form intermolecular hydrogen bonds
Which of the following reactions is characterized by the formation of a hydrochloric acid byproduct?
Hydrolysis of acyl chlorides
What is the primary reason for the increased reactivity of acyl chlorides compared to esters and amides?
They are less stabilized by resonance
Which of the following reactions is NOT a characteristic of acyl chlorides?
Halogenation to form alkyl halides
What is the primary reason for the pungent and irritating odor of acyl chlorides?
They are strong lachrymators
Which of the following is a characteristic of acyl chlorides that is NOT true for their parent acids?
They fume in air due to hydrolysis
What is the product formed when acetic acid reacts with sodium hydroxide and heat?
Sodium acetate and water
What is the reaction known as when a carboxylic acid reacts with ammonia to form an amide?
Ammonolysis
What is the product formed when a carboxylic acid is reduced with hydrogen in the presence of a catalyst?
An alcohol
What is the reaction known as when a carboxylic acid reacts with Cl2 or Br2 in the presence of a small amount of red phosphorus?
Hell-Volhard-Zelinsky reaction
What is the product formed when a carboxylic acid is heated with sodium hydroxide and calcium oxide?
A salt and water
What is the product formed when acetyl chloride reacts with sodium hydroxide?
Acetic acid and sodium chloride
Carboxylic acids and their derivatives
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