Chemistry - Organic Chemistry
MCQS
A. Hydroxyl (-OH)
B. Carbonyl (C=O)
C. Amino (-NH₂)
D. Ester (-COO-)
Alcohols contain the hydroxyl functional group.
A. Acetic acid
B. Propionic acid
C. Butanoic acid
D. Ethanoic acid
The IUPAC name for CH₃CH₂COOH is ethanoic acid.
A. Reduction
B. Oxidation
C. Hydrolysis
D. Esterification
Reduction involves gaining electrons in a chemical reaction.
A. Stereoisomerism
B. Structural isomerism
C. Geometric isomerism
D. Optical isomerism
Molecules with the same molecular formula but different spatial arrangements exhibit stereoisomerism.
A. Carbonyl (C=O)
B. Hydroxyl (-OH)
C. Carboxyl (-COOH)
D. Amino (-NH₂)
Aldehydes contain the carbonyl functional group.
A. CnH₂n
B. CnH2n+2
C. CnH2n-2
D. CnHn
The general formula for alkanes is CnH2n+2.
A. CH₃OH
B. CH₃CH₂OH
C. (CH₃)₂CHOH
D. CH₃COOH
(CH₃)₂CHOH is an example of a secondary alcohol.
A. Pentane
B. Butane
C. Hexane
D. Propane
The IUPAC name for CH₃CH₂CH₂CH₂CH₃ is pentane.
A. Ether (-O-)
B. Aldehyde (C=O)
C. Carboxylic acid (-COOH)
D. Amine (-NH₂)
Ethers contain the functional group -O-.
A. sp²
B. sp³
C. sp
D. sp⁴
Carbon in methane (CH₄) exhibits sp³ hybridization.
A. Aldehyde
B. Ketone
C. Carboxylic acid
D. Ester
Primary alcohols undergo oxidation to form carboxylic acids.
A. Esterification
B. Hydrolysis
C. Saponification
D. Dehydration
The reaction between an acid and an alcohol to form an ester is called esterification.
A. Propanal
B. Butanal
C. Pentanal
D. Ethanal
The IUPAC name for CH₃CH₂CHO is butanal.
A. CnH₂n+2
B. CnH2n
C. CnH2n-2
D. CnHn
The general formula for alkenes is CnH2n.
A. Halogenation
B. Hydrogenation
C. Dehydration
D. Oxidation
The reaction of an alkene with bromine to form a dihalide is called halogenation.
A. Ethene
B. Propane
C. Benzene
D. Butyne
Benzene is an example of an aromatic hydrocarbon.
A. Butanol
B. Ethanol
C. Propanol
D. Pentanol
The IUPAC name for CH₃CH₂CH₂OH is butanol.
A. CH₃NH₂
B. (CH₃)₂NH
C. NH₃
D. C₆H₅NH₂
(CH₃)₂NH is an example of a secondary amine.
A. Alkene
B. Aldehyde
C. Ketone
D. Ether
The major product of the dehydration of an alcohol is an alkene.
A. Carboxyl (-COOH)
B. Carbonyl (C=O)
C. Hydroxyl (-OH)
D. Ester (-COO-)
Carboxylic acids contain the carboxyl functional group.
A. Combustion
B. Halogenation
C. Hydrolysis
D. Oxidation
The reaction of an alkane with oxygen to produce carbon dioxide and water is called combustion.
A. Acetone
B. Propanone
C. Butanone
D. Ethanal
The IUPAC name for CH₃COCH₃ is propanone.
A. Ethylamine
B. Propylamine
C. Butylamine
D. Ethylmethanamine
The IUPAC name for CH₃CH₂CH₂NH₂ is propylamine.
A. Structural isomerism
B. Stereoisomerism
C. Geometric isomerism
D. Optical isomerism
Compounds with the same molecular formula but different connectivity exhibit structural isomerism.
A. sp
B. sp²
C. sp³
D. sp⁴
Carbon in acetylene (C₂H₂) exhibits sp hybridization.
A. Esterification
B. Transesterification
C. Saponification
D. Hydrolysis
The reaction of an alcohol with a carboxylic acid to form an ester is called esterification.
A. Hexane
B. Butane
C. Pentane
D. Octane
The IUPAC name for CH₃CH₂CH₂CH₂CH₂CH₃ is hexane.
A. CH₃OH
B. CH₃CH₂OH
C. (CH₃)₃COH
D. CH₃COOH
(CH₃)₃COH is an example of a tertiary alcohol.
A. Halogenation
B. Hydrogenation
C. Dehydration
D. Oxidation
The reaction between an alkene and hydrogen to form an alkane is called hydrogenation.
A. Butanone
B. Pentanone
C. Hexanone
D. Propanone
The IUPAC name for CH₃CH₂COCH₂CH₃ is pentanone.
A. Ethene
B. Propene
C. Butene
D. Butadiene
Butadiene is an example of a diene.
A. Ethylamine
B. Propylamine
C. Butylamine
D. Ethylmethanamine
The IUPAC name for CH₃CH₂CH₂NH₂ is propylamine.
A. Carbonyl (C=O)
B. Hydroxyl (-OH)
C. Carboxyl (-COOH)
D. Amino (-NH₂)
Ketones contain the carbonyl functional group.
A. Alkane
B. Alkene
C. Alkyne
D. Dihalide
The major product of the hydrogenation of an alkene is an alkane.
A. Geometric isomerism
B. Structural isomerism
C. Stereoisomerism
D. Optical isomerism
Compounds with the same molecular formula but different spatial arrangements around double bonds exhibit geometric isomerism.
A. Ethyl acetate
B. Methyl acetate
C. Butyl acetate
D. Propyl acetate
The IUPAC name for CH₃CH₂CH₂COOCH₃ is ethyl acetate.
A. Hydrogenation
B. Hydration
C. Halogenation
D. Dehydration
The reaction of an alkene with water in the presence of an acid is called hydration.
A. CH₃NH₂
B. (CH₃)₂NH
C. NH₃
D. C₆H₅NH₂
(CH₃)₃N is an example of a tertiary amine.
A. Halogenation
B. Hydrogenation
C. Dehydration
D. Oxidation
The reaction of an alkene with a halogen to form a dihalide is called halogenation.
A. Methyl ethylamine
B. Ethyl methylamine
C. Dimethylamine
D. Diethylamine
The IUPAC name for CH₃CH₂CH₂NHCH₃ is diethylamine.
A. Amide (-CONH₂)
B. Carbonyl (C=O)
C. Hydroxyl (-OH)
D. Ester (-COO-)
Amides contain the functional group -CONH₂.
A. Methyl propanoate
B. Ethyl methanoate
C. Propyl ethanoate
D. Ethyl propanoate
The IUPAC name for CH₃CH₂COOCH₃ is ethyl methanoate.
A. Reduction
B. Oxidation
C. Hydrolysis
D. Esterification
Oxidation involves the loss of electrons in a chemical reaction.
A. Epoxidation
B. Hydrogenation
C. Hydration
D. Halogenation
The reaction of an alkene with a peracid to form an epoxide is called epoxidation.
A. Propylamide
B. Butanamide
C. Pentanamide
D. Ethylamide
The IUPAC name for CH₃CH₂CH₂CONH₂ is butanamide.
A. Esterification
B. Transesterification
C. Saponification
D. Hydrolysis
The reaction of an alcohol with a carboxylic acid to form an ester is called esterification.
A. Ethene
B. Propene
C. Butene
D. Ethyne
Ethyne is an example of a diatomic alkene.
A. Butanone
B. Pentanone
C. Hexanone
D. Propanone
The IUPAC name for CH₃CH₂COCH₂CH₃ is butanone.
A. Halogenation
B. Hydration
C. Dehydration
D. Halide substitution
The reaction of an alcohol with hydrogen halide to form an alkyl halide is called halide substitution.
A. Ethylamine
B. Propylamine
C. Butylamine
D. Ethylmethanamine
The IUPAC name for CH₃CH₂CH₂NH₂ is butylamine.
A. Ethylene glycol
B. Propylene glycol
C. Glycerol
D. Butane-1,3-diol
Ethylene glycol is an example of a geminal diol.
A. Hydrogenation
B. Halogenation
C. Hydration
D. Markovnikov addition
The reaction of an alkene with hydrogen halide in the presence of peroxide is called Markovnikov addition.
A. Methyl propanoate
B. Ethyl methanoate
C. Propyl ethanoate
D. Ethyl propanoate
The IUPAC name for CH₃CH₂CH₂COOCH₃ is ethyl propanoate.
A. Ozonolysis
B. Hydrogenation
C. Hydration
D. Halogenation
The reaction of an alkene with ozone followed by reductive workup is called ozonolysis.
A. Butanoic acid
B. Ethanoic acid
C. Propanoic acid
D. Pentanoic acid
The IUPAC name for CH₃CH₂CH₂COOH is butanoic acid.
A. HCl
B. H₂O
C. BF₃
D. NH₃
Boron trifluoride (BF₃) is an example of a Lewis acid.
A. Acetone
B. Propanone
C. Butanone
D. Ethanal
The IUPAC name for CH₃COCH₂CH₃ is butanone.
A. Hydrogenation
B. Halogenation
C. Hydration
D. Dehydration
The reaction of an alkene with hydrogen to form an alkane is called hydrogenation.
A. Ethylamine
B. Propylamine
C. Butylamine
D. Methanamine
The IUPAC name for CH₃CH₂NH₂ is ethylamine.
A. Halogenation
B. Hydrogenation
C. Hydration
D. Dehydration
The reaction of an alkane with a halogen in the presence of sunlight is called halogenation.
A. Ethanol
B. Propanol
C. Butanol
D. Isopropanol
The IUPAC name for CH₃CH₂CHOHCH₃ is isopropanol.
A. Hydrogenation
B. Halogenation
C. Hydration
D. Dehydration
The reaction of an alkene with water in the presence of mercury sulfate is called hydration.
A. Butanone
B. Pentanone
C. Hexanone
D. Propanone
The IUPAC name for CH₃CH₂CH₂COCH₂CH₃ is hexanone.
A. Halogenation
B. Hydrogenation
C. Hydration
D. Anti-Markovnikov addition
The reaction of an alkene with a peroxide to form an alkyl radical is called anti-Markovnikov addition.
A. Butanoic acid
B. Ethanoic acid
C. Propanoic acid
D. Pentanoic acid
The IUPAC name for CH₃CH₂CH₂COOH is butanoic acid.