Chemistry · Science General
Alcohols, Ethers and Carboxylic Acids
391 Questions
Alcohols, ethers, and carboxylic acids questions explore organic chemistry reactions, chemical formulas, and compound identifications. The topics cover practical applications like antifreeze production and specific chemical conversions. This material helps candidates preparing for science oriented competitive exams.
Organic reactionsChemical compounds identificationAlcohol conversionCarboxylic acid propertiesIndustrial chemical applications
Alcohols, Ethers and Carboxylic Acids Questions
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Benzoyl chloride
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Benzyl alcohol
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Benzyl chloroformate
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Benzylamine
A
Correct answer
Explanation
Benzoyl chloride is an organochlorine compound with the formula C6H5COCl. It is a colourless, fuming liquid with an irritating odour. It is mainly useful for the production of peroxides but is generally useful in other areas such as in the production of dyes, perfumes, pharmaceuticals, and resins.
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Butyraldehyde
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Cadaverine
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Cadinene
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1,4-Butynediol
B
Correct answer
Explanation
Cadaverine is a foul-smelling compound produced by protein hydrolysis during putrefaction of animal tissue. Cadaverine is a toxic diamine with the formula NH2(CH2)5NH2, which is similar to putrescine.
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Bisphenol A
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Polybutadiene
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Bromoacetic acid
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Acetic acid
D
Correct answer
Explanation
Acetic acid is an organic compound with the chemical formula CH3COOH. It is a colourless liquid that when undiluted is also called glacial acetic acid. As the main component of vinegar, it has a distinctive sour taste and pungent smell.
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Acetanilide
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Acetoguanamine
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Acetone
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Acetonitrile
C
Correct answer
Explanation
Acetone is an organic compound with the formula (CH3)2CO. Acetone is miscible with water and serves as an important solvent. Familiar household uses of acetone are as the active ingredient in nail polish remover and as paint thinner.
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Acetamiprid
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Acetaminosalol
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Acetamide
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Acetaldehyde
B
Correct answer
Explanation
Acetaminosalol is an organic compound with the chemical formula C15H13NO4. It is an esterfication product of salicylic acid and paracetamol.
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nItrobenzene
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trinitrotoluene
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nitromethane
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gasoline
A
Correct answer
Explanation
Nitrobenzene is a water-insoluble pale yellow oil with an almond-like odour. It freezes to give greenish-yellow crystals. Although occasionally used as a flavouring or perfume additive,. Nitrobenzene is highly toxic in large quantity.
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ethidium bromide
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ethyl acetate
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ethylamine
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benzocaine
B
Correct answer
Explanation
Ethyl acetate is the organic compound with the formula CH3COOCH2CH3. This colourless liquid has a characteristic sweet smell (similar to pear drops) and is used in glues or nail polish removers.
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Furan
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Furfural
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Furfuryl alcohol
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Furfurylamine
B
Correct answer
Explanation
Furfural is an aromatic aldehyde. Its chemical formula is OC4H3CHO. It is a colourless oily liquid with the odour of almonds, but upon exposure to air, samples quickly becomes yellow.
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Georgius Agricola
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William T. Miller
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Sidney Altman
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Johan August Arfwedson
B
Correct answer
Explanation
Methoxyflurane is a halogenated ether that was in clinical use as a volatile inhalational anesthetic from its introduction by Joseph F. Artusio et al in 1960 until around 1974. It was first synthesized in the late 1940s by William T. Miller and his team of chemists following their involvement in the Manhattan Project.
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Decalin
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Decane
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Dehydroacetic acid
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Dehydrocholic acid
C
Correct answer
Explanation
Dehydroacetic acid is a pyrone derivative used mostly as a fungicide and bactericide. It is used to reduce pickle bloating as a preservative for squash and strawberries. Also used in antienzyme toothpastes.
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p-Xylene
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Dimethyl ether
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Dimethylformamide
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Dimethyldiethoxysilane
A
Correct answer
Explanation
p-Xylene is an aromatic hydrocarbon, based on benzene with two methyl substituents. It is an isomer of xylene. p-Xylene is used on a large scale for the manufacture of terephthalic acid. Its polymer is known as Parylene.
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Ethyl Alchol
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Propane
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Methane
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Tetraethyl lead
D
Correct answer
Explanation
Tetraethyl lead (TEL) was historically added to gasoline as an anti-knocking agent to prevent premature fuel combustion in engine cylinders. It increases octane rating and allows smoother engine performance. Though now phased out due to environmental concerns, it was the standard anti-knock additive for decades.
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Phosphorus pentabromide
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Phosphorus tribromide
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Phosphorus trichloride
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Phosphorus trifluoride
B
Correct answer
Explanation
Phosphorus tribromide is a colourless liquid with the formula PBr3. It fumes in air due to hydrolysis and has a penetrating odour. It is widely used in a laboratory for the conversion of alcohols to alkyl bromides.
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2-Phosphoglyceric acid
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3-Phosphoglyceric acid
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Glycidol
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Glycine
C
Correct answer
Explanation
Glycidol is an organic compound that contains both epoxide and alcohol functional groups. Being bifunctional it has a variety of industrial uses. The compound is a slightly viscous liquid that is slightly unstable and is not often encountered in pure form.
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furfural
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furfuryl alcohol
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furylfuramide
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gadopentetic acid
C
Correct answer
Explanation
Furylfuramide is a synthetic nitrofuran derivative which was widely used as a food preservative. It can cause benign and malignant tumors in the mammary glands, stomachs, esophagi and lungs of rodents of both sexes.