Chemistry 9th Chap 13 : Topic 8 - Maryam Publications

Chemistry Chapter 13 : Topic 8

Saturated Compounds

1 / 19

A student defines a saturated compound as one in which:

A) Carbon atoms are linked by double bonds only.

B) Carbon atoms are not bonded to hydrogen.

C) Carbon atoms are linked by at least one triple bond.

D) All carbon-carbon bonds are single bonds.

2 / 19

Which of the following best represents a saturated hydrocarbon?

A) Ethyne (C₂H₂)

B) Propene (C₃H₆)

C) Methane (CH₄)

D) Ethene (C₂H₄)

3 / 19

The term “saturated” in organic chemistry refers to compounds that:

A) Contain oxygen in their structure

B) Are highly reactive

C) Have only double bonds

D) Contain maximum number of hydrogen atoms bonded to carbon

4 / 19

Which statement correctly distinguishes saturated compounds?

A) They contain ionic bonds.

B) They contain only single covalent bonds between carbon atoms.

C) They contain at least one double bond.

D) They are always gases.

5 / 19

Which general formula represents saturated hydrocarbons?

A) CₙH₂ₙ₊₂

B) CₙH₂ₙ

C) CₙHₙ

D) CₙH₂ₙ₋₂

6 / 19

Why are saturated compounds called “alkanes”?

A) Because they contain acids.

B) Because they contain alcohol group.

C) Because they contain double bonds.

D) Because they contain only single bonds.

7 / 19

Which type of bond is present between carbon atoms in saturated compounds?

A) Triple bond

B) Double bond

C) Ionic bond

D) Single covalent bond

8 / 19

Which of the following is a characteristic of saturated compounds?

A) Always unstable in air

B) Highly reactive due to double bonds

C) Relatively less reactive

D) Undergo addition reactions easily

9 / 19

Which molecule is NOT saturated?

A) C₂H₄

B) CH₄

C) C₂H₆

D) C₃H₈

10 / 19

The carbon-carbon bond in saturated compounds is best described as:

A) Metallic bond

B) Strong single bond

C) Weak and unstable

D) Ionic interaction

11 / 19

Saturated hydrocarbons generally undergo:

A) Polymerization only

B) Substitution reactions

C) No reactions at all

D) Addition reactions

12 / 19

Which statement is TRUE about saturated compounds?

A) They always contain oxygen.

B) They are more reactive than unsaturated compounds.

C) All carbon atoms are connected by single bonds.

D) They contain at least one triple bond.

13 / 19

Which of the following is a saturated hydrocarbon?

A) Benzene

B) Ethene

C) Propane

D) Ethyne

14 / 19

Why do saturated compounds not easily undergo addition reactions?

A) They are solids.

B) They already contain maximum hydrogen atoms and only single bonds.

C) They have no carbon atoms.

D) They contain ionic bonds.

15 / 19

The bond structure in saturated compounds leads to:

A) High reactivity

B) Formation of ions easily

C) High instability

D) Stable molecular structure

16 / 19

Which pair correctly shows one saturated and one unsaturated compound?

A) C₂H₆ and C₂H₄

B) CH₄ and C₂H₆

C) C₄H₁₀ and C₃H₈

D) C₃H₈ and CH₄

17 / 19

The carbon atoms in saturated compounds are arranged in:

A) Only ring structures

B) Random unstable chains

C) Single bond chains or branched structures

D) Ionic clusters

18 / 19

Which property is MOST associated with saturated compounds?

A) Formation of polymers easily

B) Decolorization of KMnO₄

C) Stability under normal conditions

D) High reactivity with bromine water

19 / 19

Saturated compounds differ from unsaturated compounds because they:

A) Contain oxygen atoms

B) Have no hydrogen atoms

C) Have only single carbon-carbon bonds

D) Are always liquids

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