Organic Synthesis MCQs are very important test and often asked by various testing services and competitive exams around the world. Here you will find all the Important Organic Synthesis MCQs for Preparation.
The student can clear their concepts for Organic Synthesis online quiz by attempting it. Doing MCQs based Organic Synthesis will help you to check your understanding and identify areas of improvement.
Organic Synthesis Online MCQs with Answers
Which of the following reagents is commonly used for the reduction of aldehydes and ketones?
a) Sodium borohydride
b) Lithium aluminum hydride
c) Sodium cyanoborohydride
d) Sodium hydride
The reaction of an aldehyde or ketone with a primary amine results in the formation of:
a) An imine
b) An enamine
c) An enol
d) A lactone
What reagent is commonly used for the protection of alcohols?
a) Sodium borohydride
b) Lithium aluminum hydride
c) PBr3
d) TBDMS-Cl
Which of the following reagents is commonly used for the oxidation of primary alcohols to aldehydes?
a) Pyridinium chlorochromate (PCC)
b) Sodium borohydride
c) Sodium cyanoborohydride
d) Potassium permanganate (KMnO4)
The reaction of an alkene with hydrogen gas in the presence of a metal catalyst is known as:
a) Hydrogenation
b) Halogenation
c) Oxidation
d) Dehydration
Which of the following reagents is commonly used for the conversion of an alkene to an alcohol?
a) Hydrogen peroxide (H2O2)
b) Sodium borohydride
c) Osmium tetroxide (OsO4)
d) Potassium permanganate (KMnO4)
The reaction of an alkene with a halogen results in the formation of a:
a) Halohydrin
b) Alkane
c) Haloalkane
d) Alkene cannot react with a halogen
Which of the following reagents is commonly used for the conversion of an alkene to an alkyl halide?
a) Hydrogen peroxide (H2O2)
b) Sodium borohydride
c) NBS (N-bromosuccinimide)
d) Potassium permanganate (KMnO4)
The reaction of an alkene with water in the presence of an acid catalyst is known as:
a) Hydrogenation
b) Hydration
c) Oxidation
d) Dehydration
Which of the following reagents is commonly used for the conversion of an alkene to an epoxide?
a) Hydrogen peroxide (H2O2)
b) Sodium borohydride
c) Methylmagnesium bromide (CH3MgBr)
d) Peroxyacetic acid (CH3CO3H)
The reaction of an alkyne with hydrogen gas in the presence of a metal catalyst is known as:
a) Hydrogenation
b) Halogenation
c) Oxidation
d) Dehydration
Which of the following reagents is commonly used for the conversion of an alkyne to an alkene?
a) Hydrogen peroxide (H2O2)
b) Sodium borohydride
c) Lindlar’s catalyst
d) Potassium permanganate (KMnO4)
The reaction of an alkyne with a halogen results in the formation of a:
a) Halohydrin
b) Alkane
c) Haloalkane
d) Alkyne cannot react with a halogen
Which of the following reagents is commonly used for the conversion of an alkyne to an alkyl halide?
a) Hydrogen peroxide (H2O2)
b) Sodium borohydride
c) HBr (hydrogen bromide)
d) Potassium permanganate (KMnO4)
The reaction of an alkyne with water in the presence of an acid catalyst is known as:
a) Hydrogenation
b) Hydration
c) Oxidation
d) Dehydration
Which of the following reagents is commonly used for the conversion of an alkyne to an alcohol?
a) Hydrogen peroxide (H2O2)
b) Sodium borohydride
c) Osmium tetroxide (OsO4)
d) Potassium permanganate (KMnO4)
The reaction of an alkene with a peroxide in the presence of heat or light results in the formation of a:
a) Hydroxide ion
b) Peroxide ion
c) Carbocation
d) Radial cation
Which of the following reagents is commonly used for the conversion of an alkene to an alkane?
a) Hydrogen peroxide (H2O2)
b) Sodium borohydride
c) Sodium metal (Na)
d) Potassium permanganate (KMnO4)
The reaction of an alkene with ozone (O3) followed by treatment with a reducing agent results in the formation of:
a) An epoxide
b) An aldehyde
c) A ketone
d) A carboxylic acid
Which of the following reagents is commonly used for the conversion of an alkene to a carboxylic acid?
a) Hydrogen peroxide (H2O2)
b) Sodium borohydride
c) Osmium tetroxide (OsO4)
d) Potassium permanganate (KMnO4)
The reaction of an alkyne with ozone (O3) followed by treatment with a reducing agent results in the formation of:
a) An epoxide
b) An aldehyde
c) A ketone
d) A carboxylic acid
Which of the following reagents is commonly used for the conversion of an alkyne to a carboxylic acid?
a) Hydrogen peroxide (H2O2)
b) Sodium borohydride
c) Potassium permanganate (KMnO4)
d) Ozone (O3)
The reaction of an alcohol with a carboxylic acid in the presence of an acid catalyst results in the formation of:
a) An ester
b) A ketone
c) An aldehyde
d) A carboxylic acid cannot react with an alcohol
Which of the following reagents is commonly used for the conversion of an alcohol to an alkyl halide?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of an alcohol with phosphorus tribromide (PBr3) results in the formation of:
a) An ester
b) A ketone
c) An aldehyde
d) An alkyl halide
Which of the following reagents is commonly used for the conversion of an alcohol to an alkene?
a) Deuterium oxide (D2O)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of a carboxylic acid with an alcohol in the presence of an acid catalyst results in the formation of:
a) An ester
b) A ketone
c) An aldehyde
d) A carboxylic acid cannot react with an alcohol
Which of the following reagents is commonly used for the conversion of a carboxylic acid to an ester?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of a carboxylic acid with a primary amine results in the formation of:
a) An ester
b) A ketone
c) An amide
d) A carboxylic acid cannot react with a primary amine
Which of the following reagents is commonly used for the conversion of a carboxylic acid to an amide?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of an ester with a primary amine results in the formation of:
a) A carboxylic acid
b) A ketone
c) An amide
d) An ester cannot react with a primary amine
Which of the following reagents is commonly used for the conversion of an ester to an amide?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of a ketone with a primary amine results in the formation of:
a) A carboxylic acid
b) A ketone cannot react with a primary amine
c) An amine
d) An enamine
Which of the following reagents is commonly used for the conversion of a ketone to an amine?
a) LiAlH4 (lithium aluminum hydride)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of an amide with a reducing agent such as LiAlH4 (lithium aluminum hydride) results in the formation of:
a) A carboxylic acid
b) A ketone
c) An amine
d) An amide cannot be reduced
Which of the following reagents is commonly used for the conversion of an amide to an amine?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) LiAlH4 (lithium aluminum hydride)
d) Potassium permanganate (KMnO4)
The reaction of an aldehyde or ketone with a Grignard reagent results in the formation of:
a) A carboxylic acid
b) An alcohol
c) An aldehyde
d) A ketone cannot react with a Grignard reagent
Which of the following reagents is commonly used for the conversion of an aldehyde or ketone to an alcohol?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) LiAlH4 (lithium aluminum hydride)
d) Potassium permanganate (KMnO4)
The reaction of an alcohol with phosphorus pentachloride (PCl5) results in the formation of:
a) An ester
b) A ketone
c) An alkyl halide
d) A carboxylic acid
Which of the following reagents is commonly used for the conversion of an alcohol to an alkyl halide?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of an alkyl halide with sodium cyanide (NaCN) results in the formation of:
a) An ester
b) A ketone
c) An amine
d) A nitrile
Which of the following reagents is commonly used for the conversion of an alkyl halide to a nitrile?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Sodium cyanide (NaCN)
The reaction of an alkene with water in the presence of a strong acid catalyst results in the formation of:
a) An alcohol
b) An aldehyde
c) An ether
d) A ketone
Which of the following reagents is commonly used for the conversion of an alkene to an ether?
a) Hydrogen peroxide (H2O2)
b) Sodium borohydride
c) H2SO4 (sulfuric acid)
d) Sodium cyanide (NaCN)
The reaction of an alcohol with an acid catalyst in the presence of heat results in the formation of:
a) An alkene
b) An aldehyde
c) An ether
d) A ketone
Which of the following reagents is commonly used for the conversion of an alcohol to an alkene?
a) Deuterium oxide (D2O)
b) Sodium borohydride
c) H2SO4 (sulfuric acid)
d) Sodium cyanide (NaCN)
The reaction of an alcohol with an alkyl halide in the presence of a base results in the formation of:
a) An ether
b) A ketone
c) An amine
d) An alcohol cannot react with an alkyl halide
Which of the following reagents is commonly used for the conversion of an alcohol to an ether?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Sodium cyanide (NaCN)
The reaction of an amine with an alkyl halide results in the formation of:
a) An ester
b) A ketone
c) An amine cannot react with an alkyl halide
d) An amide
Which of the following reagents is commonly used for the conversion of an amine to an amide?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of an aldehyde or ketone with a Grignard reagent followed by hydrolysis results in the formation of:
a) An alcohol
b) An aldehyde
c) A ketone
d) A carboxylic acid
Which of the following reagents is commonly used for the conversion of an aldehyde or ketone to a carboxylic acid?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of an ester with a reducing agent such as LiAlH4 (lithium aluminum hydride) results in the formation of:
a) An alcohol
b) An ester cannot be reduced
c) A ketone
d) A carboxylic acid
Which of the following reagents is commonly used for the conversion of an ester to an alcohol?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) LiAlH4 (lithium aluminum hydride)
d) Potassium permanganate (KMnO4)
The reaction of an amide with a reducing agent such as LiAlH4 (lithium aluminum hydride) results in the formation of:
a) An amide cannot be reduced
b) A ketone
c) An amine
d) A carboxylic acid
Which of the following reagents is commonly used for the conversion of an amide to an amine?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) LiAlH4 (lithium aluminum hydride)
d) Potassium permanganate (KMnO4)
The reaction of a carboxylic acid with an alcohol in the presence of an acid catalyst results in the formation of:
a) An ester
b) A ketone
c) An amine
d) A carboxylic acid cannot react with an alcohol
Which of the following reagents is commonly used for the conversion of a carboxylic acid to an ester?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of a carboxylic acid with a primary amine results in the formation of:
a) An ester
b) A ketone
c) An amide
d) A carboxylic acid cannot react with a primary amine
Which of the following reagents is commonly used for the conversion of a carboxylic acid to an amide?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of an ester with a primary amine results in the formation of:
a) A carboxylic acid
b) A ketone
c) An amide
d) An ester cannot react with a primary amine
Which of the following reagents is commonly used for the conversion of an ester to an amide?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of a ketone with a primary amine results in the formation of:
a) A carboxylic acid
b) A ketone cannot react with a primary amine
c) An amine
d) An enamine
Which of the following reagents is commonly used for the conversion of a ketone to an amine?
a) LiAlH4 (lithium aluminum hydride)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of an amine with an acid chloride results in the formation of:
a) An ester
b) A ketone
c) An amide
d) An amine cannot react with an acid chloride
Which of the following reagents is commonly used for the conversion of an amine to an amide?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of an aldehyde or ketone with a reducing agent such as NaBH4 (sodium borohydride) results in the formation of:
a) An alcohol
b) An aldehyde
c) A ketone cannot be reduced
d) A carboxylic acid
Which of the following reagents is commonly used for the conversion of an aldehyde or ketone to an alcohol?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)
The reaction of an aldehyde or ketone with a strong oxidizing agent such as potassium permanganate (KMnO4) results in the formation of:
a) A carboxylic acid
b) An alcohol
c) A ketone cannot be oxidized
d) An aldehyde
Which of the following reagents is commonly used for the conversion of an aldehyde or ketone to a carboxylic acid?
a) Thionyl chloride (SOCl2)
b) Sodium borohydride
c) Hydrogen peroxide (H2O2)
d) Potassium permanganate (KMnO4)