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

Multiple choice
  1. Benzoyl chloride

  2. Benzyl alcohol

  3. Benzyl chloroformate

  4. Benzylamine

Reveal answer Fill a bubble to check yourself
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.

Multiple choice
  1. Butyraldehyde

  2. Cadaverine

  3. Cadinene

  4. 1,4-Butynediol

Reveal answer Fill a bubble to check yourself
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.

Multiple choice
  1. Bisphenol A

  2. Polybutadiene

  3. Bromoacetic acid

  4. Acetic acid

Reveal answer Fill a bubble to check yourself
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.

Multiple choice
  1. Acetanilide

  2. Acetoguanamine

  3. Acetone

  4. Acetonitrile

Reveal answer Fill a bubble to check yourself
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.

Multiple choice
  1. Furan

  2. Furfural

  3. Furfuryl alcohol

  4. Furfurylamine

Reveal answer Fill a bubble to check yourself
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.

Multiple choice
  1. Georgius Agricola

  2. William T. Miller

  3. Sidney Altman

  4. Johan August Arfwedson

Reveal answer Fill a bubble to check yourself
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.

Multiple choice
  1. Decalin

  2. Decane

  3. Dehydroacetic acid

  4. Dehydrocholic acid

Reveal answer Fill a bubble to check yourself
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.

Multiple choice
  1. p-Xylene

  2. Dimethyl ether

  3. Dimethylformamide

  4. Dimethyldiethoxysilane

Reveal answer Fill a bubble to check yourself
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.

Multiple choice
  1. Ethyl Alchol

  2. Propane

  3. Methane

  4. Tetraethyl lead

Reveal answer Fill a bubble to check yourself
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.

Multiple choice
  1. 2-Phosphoglyceric acid

  2. 3-Phosphoglyceric acid

  3. Glycidol

  4. Glycine

Reveal answer Fill a bubble to check yourself
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.