Hydrocarbon Derivatives questions

Which of the following includes compounds that belong to one homologous series?

1. A CH₃OH , CH₃CH₂OH , CH₃COOH
2. B CH₃OH , CH₃CH₂OH , CH₃CH₂CH₂OH
3. C CH₃OH , CH₃COOH , CH₃CH₂CH₂OH
4. D CH₃CH₂OH , CH₃COOH , CH₃CH₂CH₂OH

The compound CH₃CH₂CH₂OH is similar to the compound CH₃OCH₂CH₃ in each of the following, except ..........

1. A the number of carbon atoms per mole.
2. B the number of hydrogen atoms per mole.
3. C the functional group.
4. D the molar mass.

In a saturated monohydric alcohol, the mass of the alkyl group in one mole of it is 43 g
What is the molar mass of this alcohol?
[H = 1 , O = 16]

1. A 44 g
2. B 46 g
3. C 59 g
4. D 60 g

Which is the simplest of the following ethers?

1. A CH₃ – O – CH₃
2. B C₂H₅ – O – CH₃
3. C C₂H₅ – O – C₂H₅
4. D C₆H₅ – O – C₂H₅

What is the name of the opposite compound?

1. A vinyl methyl ether.
2. B methylphenol.
3. C methyl phenyl ether.
4. D phenol methoxide.

Each of the following is an isomer of diethyl ether, except ..........

1. A methyl propyl ether.
2. B 1-butanol.
3. C 2-methyl-2-propanol.
4. D dipropyl ether.

What is the number of ether isomers whose molecular formula is C₄H₁₀O?

1. A 2
2. B 3
3. C 5
4. D 6

The organic compound in which an aryl group is directly attached to a hydroxyl group is classified as one of the ..........

1. A aromatic alcohols.
2. B phenols.
3. C carboxylic acids.
4. D aldehydes.

Suppose Avogadro's number is given the symbol A
What is the number of hydrogen atoms in a sample of the compound CH₃COC₂H₅ of mass 4.5 g?
[C = 12 , H = 1 , O = 16]

1. A 72 A atom
2. B A atom
3. C A/2 atom
4. D A/16 atom

The opposite compound:
includes functional groups found in ..........

1. A alkenes and alcohols.
2. B alkenes and organic acids.
3. C alcohols and organic acids.
4. D alkenes, organic acids and alcohols.

Four organic compounds: ethane, ethanoic acid, ethanol, ethene
Which of the following bonds is found in all of these compounds?

1. A C = C
2. B C – H
3. C C – O
4. D O – H

Each of the following includes a formyl group, except ..........

1. A C₅H₁₀O
2. B C₆H₁₂O
3. C C₅H₁₂O
4. D CH₂O

The following formulas represent ketones:
Formula (1): (C₂H₃)₂CO , formula (2): C₆H₅COC₆H₅ , formula (3): C₂H₅COC₆H₅ , formula (4): C₅H₁₀O
Which of them represents the compound divinyl ketone?

1. A Formula (1) only.
2. B Formulas (1) and (3) only.
3. C Formula (2) only.
4. D Formulas (2) and (4) only.

The difference in the chemical properties of acetaldehyde and acetone is due to their difference in ..........

1. A molar mass.
2. B physical state.
3. C the percentage of carbon.
4. D the functional group.

What is the molecular formula of the simplest branched compound of the alkynes, the aldehydes and the ketones?

1. A alkyne: C₅H₈ , aldehyde: C₄H₈O , ketone: C₆H₁₂O
2. B alkyne: C₄H₆ , aldehyde: C₅H₁₀O , ketone: C₅H₁₀O
3. C alkyne: C₄H₆ , aldehyde: C₅H₁₀O , ketone: C₆H₁₂O
4. D alkyne: C₅H₈ , aldehyde: C₄H₈O , ketone: C₅H₁₀O

Which of the following compounds includes a single bond of the type (C – O)?

1. A acetone.
2. B acetaldehyde.
3. C ethanol.
4. D diethyl ether.

What is the functional group of the compound whose molecular formula is C₃H₆O₂?

1. A carbonyl.
2. B formyl.
3. C carboxyl.
4. D hydroxyl.

What is the functional group in the opposite compound?
CH₃–CO–O–C₂H₅

1. A carbonyl.
2. B ether.
3. C ester.
4. D formyl.

The molecular formula (C₃H₆O₂) can belong to a compound of ..........

1. A alcohols only.
2. B esters only.
3. C alcohols or ethers.
4. D esters or organic acids.

Each of the following is true for the organic compound whose formula is C₆H₅NH₂, except that it ..........

1. A reacts by substitution.
2. B reacts by addition.
3. C is one of the amines.
4. D is one of the amides.

What is the number of hydrogen atoms in one molecule of 3-nonanol?

1. A 9
2. B 19
3. C 20
4. D 21

What is the IUPAC name of the opposite compound?
CH₃–CH(CH₃)–CH₂–CH(OH)–CH₃

1. A 2-methyl-4-pentanol.
2. B 2-methyl-2-pentanol.
3. C 4-methyl-2-pentanol.
4. D 4-methyl-4-pentanol.

What is the IUPAC name of the compound C(CH₃)₃OH?

1. A 1-butanol.
2. B 1-methyl-1-propanol.
3. C 2-methyl-1-propanol.
4. D 2-methyl-2-propanol.

What is the IUPAC name of this compound: (CH₃)₂CHCH₂OH?

1. A isobutyl alcohol.
2. B 2-methyl-1-propanol.
3. C 1-methyl-2-propanol.
4. D 2-butanol.

What is the chemical formula of isobutyl alcohol?

1. A CH₃CH₂CH₂CH₂OH
2. B (CH₃)₂CHCH₂OH
3. C (CH₃)₃COH
4. D CH₃CH₂CHOHCH₃

Which pair of alcohols are isomers of each other?

1. A 1-butanol / 2,2-dimethyl-1-propanol.
2. B 2-butanol / 2-methyl-2-propanol.
3. C 1-pentanol / 2-methyl-2-propanol.
4. D 2-propanol / 2-methyl-2-propanol.

The molecule of the compound isopentane includes ..........

1. A 3 –CH₃ groups
2. B 3 >CH₂ groups
3. C 3 –CH₃ groups and two –CH₂– groups
4. D 3 >CH₂ groups and one >CH– group

The carbon atoms in any organic compound are classified, according to the number of other carbon atoms attached to them, into: primary (attached to one carbon atom), secondary (to two atoms), tertiary (to three atoms), quaternary (to four atoms).
Which of the following describes the carbon atoms in the compound: CH₃CH(CH₃)C(CH₃)₂CH₂CH(CH₃)CH₂CH₃?

1. A primary 6 , secondary 2 , tertiary 2 , quaternary 1
2. B primary 2 , secondary 6 , tertiary 3 , quaternary 0
3. C primary 2 , secondary 4 , tertiary 3 , quaternary 2
4. D primary 6 , secondary 2 , tertiary 4 , quaternary 1

Which of the following groups represents the carbinol group of a secondary alcohol?

1. A A
2. B B
3. C C
4. D D

From the opposite equation:
Which of the following is the name of each of the compounds (X) and (Y)?

1. A (X): isopropyl hydrogen sulphate, (Y): 1-propanol
2. B (X): propyl hydrogen sulphate, (Y): isopropyl alcohol
3. C (X): propyl hydrogen sulphate, (Y): primary propyl alcohol
4. D (X): isopropyl hydrogen sulphate, (Y): 2-propanol

The classification of the following alcohols is correct, except ..........

1. A 1-butanol: primary alcohol
2. B 2-butanol: secondary alcohol
3. C 2-methyl-1-propanol: tertiary alcohol
4. D 2-methyl-2-propanol: tertiary alcohol

The compound 2-butanol is one of the .......... alcohols.

1. A primary
2. B secondary
3. C tertiary
4. D dihydric

Which of the following is a primary alcohol?

1. A 2-butanol.
2. B 2-methyl-1-butanol.
3. C 2-propanol.
4. D 2-methyl-2-butanol.

The compound 3-ethyl-3-hexanol is one of the ..........

1. A primary alcohols.
2. B secondary alcohols.
3. C tertiary alcohols.
4. D trihydric alcohols.

Each of the following describes the structural formula C(CH₃)₃CH(CH₃)OH, except ..........

1. A it contains a secondary carbon atom.
2. B it contains a quaternary carbon atom.
3. C it is named 3,3-dimethyl-2-butanol.
4. D it is named 2,2-dimethyl-1-butanol.

Which of the following is true about the compound normal decanol?

1. A It contains 10 carbon atoms and 21 hydrogen atoms.
2. B It contains 9 carbon atoms and 1 primary carbinol atom.
3. C It contains 22 hydrogen atoms and 2 oxygen atoms.
4. D It contains a total of 33 carbon and hydrogen atoms.

What is the number of atoms in one molecule of the monohydric alcohol that has no isomers?

1. A 5
2. B 6
3. C 9
4. D 12

What is the number of alcohol isomers whose molecular formula is C₄H₁₀O?

1. A 2
2. B 3
3. C 4
4. D 5

What is the number of the other alcohol isomers of normal butanol?

1. A 1
2. B 2
3. C 3
4. D 5

What is the number of secondary alcohol isomers that include one branched carbon atom and have the molecular formula C₅H₁₂O?

1. A 1
2. B 2
3. C 3
4. D 4

What is the number of tertiary alcohol isomers whose molecular formula is C₆H₁₄O?

1. A 1
2. B 2
3. C 3
4. D 4

What is the number of primary alcohol isomers whose molecular formula is C₅H₁₁OH?

1. A 4
2. B 5
3. C 6
4. D 8

A saturated aliphatic ether has 8 hydrogen atoms in its molecule. Which of the following is an isomer of it?

1. A an aldehyde.
2. B a secondary alcohol.
3. C a ketone.
4. D a tertiary alcohol.

The molar mass of a saturated aliphatic monohydric alcohol contains 44 g of carbon and hydrogen.
What is the number of isomers of its molecular formula?
[C = 12 , H = 1 , O = 16]

1. A 3
2. B 4
3. C 5
4. D 6

Which of the following gives the number of primary and secondary carbinol groups in glycerol?

1. A primary: 1 , secondary: 2
2. B primary: 2 , secondary: 1
3. C primary: 3 , secondary: –
4. D primary: – , secondary: 3

Each of the following pairs of compounds contains two primary carbinol groups, except ..........

1. A glycerol and ethylene glycol.
2. B glycerol and sorbitol.
3. C ethylene glycol and sorbitol.
4. D isobutyl alcohol and tertiary butyl alcohol.

The compound (C₂H₄) reacts with hydrogen peroxide and a compound (A) is formed.
Each of the following is true for compound (A), except ..........

1. A it contains two hydroxyl groups.
2. B it dissolves in water.
3. C it prevents water crystals from gathering in a hexagonal shape.
4. D it is named 1,1-dihydroxyethane.

An aliphatic compound whose molecular formula is C₆H₁₄O₆ contains each of the following, except ..........

1. A primary carbinol: 2
2. B hydroxyl: 6
3. C secondary carbinol: 4
4. D tertiary carbinol: 2

Write the names of each of the following two compounds according to the IUPAC system:

Draw the structural formula of each of the following two compounds:
(1) isopentyl alcohol.
(2) 2-chloro-2-propanol.

Draw the structural formula of each of the following two compounds:
(1) 5-ethyl-3-methyl-3-heptanol.
(2) 1,1-dichloro-2-butanol.

Draw the structural formula of each of the following two compounds:
(1) a primary alcohol whose continuous chain includes 5 carbon atoms.
(2) a dihydric alcohol whose molar mass is 62 g/mol
[C = 12 , H = 1 , O = 16]

Classify the following two alcohols according to the attachment of the carbinol group, and write the IUPAC name of each:

A compound was wrongly named 1,1-dimethyl-1-pentanol:
(1) What is the reason this name is wrong?
(2) What is the correct IUPAC name of this compound?

Draw the structural formula of the compound 2-methyl-1-propanol, and classify it according to the type of carbinol group.

The molecular formula C₄H₁₀O represents a secondary alcohol and a symmetrical ether.
Draw the structural formula of each of:
(1) the secondary alcohol.
(2) the symmetrical ether.

The molecular formula C₄H₁₀O represents a tertiary alcohol and an unsymmetrical ether.
Draw the structural formula of each of:
(1) the tertiary alcohol.
(2) the unsymmetrical ether.

The following are the general formulas of halogen derivatives of some hydrocarbons and the uses of one of their isomers. (Sample exam 2026)
Each of the following is true for the type of halogen derivative and the use of one of its isomers, except ..........

1. A CₙHₙCl₂ₙ₊₁ : saturated, was used as an anaesthetic
2. B CₙHₙ₊₁Clₙ₊₁ : saturated, used in dry cleaning
3. C CₙHₙ₊₁Clₙ₋₁ : unsaturated, used in making carpets
4. D CₙHₙ₋₁Cl : unsaturated, used in preparing phenol

The molecular formula C₄H₈O represents .......... (1st session 2022)

1. A butanoic acid or butanal.
2. B 2-methylpropanal or butanone.
3. C butanol or butanone.
4. D butanoic acid or 2-methylpropanal.

The molecular formula C₃H₆O may represent .......... (2nd session 2021)

1. A a primary alcohol or an ether.
2. B a secondary alcohol or a ketone.
3. C an aldehyde or a ketone.
4. D an aldehyde or an ether.

The molecular formula C₅H₁₀O represents .......... (Trial exam / March 2023)

1. A ethyl propyl ether, pentanal.
2. B butanoic acid, 3-pentanol.
3. C pentanoic acid, 3-methylbutanone.
4. D 2-methylbutanal, pentanone.

The common name of the compound (CH₃)₃CCl is .......... (Trial exam / June 2021)

1. A tertiary butyl chloride.
2. B secondary butyl chloride.
3. C 2-chloro-2-methylpropane.
4. D 2-methyl-2-chloropropane.