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10th Class Chemistry Chapter 12 MCQs with Answers

10th Class Chemistry Chapter 12 MCQs

Understand the classification and reactions of hydrocarbons with these chapter-specific MCQs. Learn about alkanes, alkenes, and alkynes. Trending keywords like “hydrocarbons quiz questions” and “MCQs on organic compounds for 10th class” are included to enhance preparation.

Which of the following is not a hydrocarbon?
a) Methane
b) Ethanol
c) Propane
d) Butane

Answer
b) Ethanol

The general formula of alkanes is:
a) CnH2n+2
b) CnH2n
c) CnH2n-2
d) CnH2n-4

Answer
a) CnH2n+2

Which hydrocarbon has a triple bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
c) Alkynes

What is the name of the hydrocarbon CH4?
a) Methane
b) Ethane
c) Propane
d) Butane

Answer
a) Methane

The process of converting alkenes into alkanes by adding hydrogen is called:
a) Hydrogenation
b) Dehydration
c) Substitution
d) Esterification

Answer
a) Hydrogenation

Which hydrocarbon has a double bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
b) Alkenes

What is the name of the hydrocarbon C2H6?
a) Methane
b) Ethane
c) Propane
d) Butane

Answer
b) Ethane

The process of converting alkanes into alkenes by breaking a carbon-carbon bond is called:
a) Hydrogenation
b) Dehydration
c) Substitution
d) Esterification

Answer
b) Dehydration

Which hydrocarbon has a single bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
a) Alkanes

What is the name of the hydrocarbon C3H8?
a) Methane
b) Ethane
c) Propane
d) Butane

Answer
c) Propane

The general formula of alkenes is:
a) CnH2n+2
b) CnH2n
c) CnH2n-2
d) CnH2n-4

Answer
b) CnH2n

Which hydrocarbon has a benzene ring in its structure?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
d) Arenes

What is the name of the hydrocarbon C4H10?
a) Methane
b) Ethane
c) Propane
d) Butane

Answer
d) Butane

Which hydrocarbon has a cyclic structure?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
d) Arenes

What is the name of the hydrocarbon C5H12?
a) Methane
b) Ethane
c) Propane
d) Pentane

Answer
d) Pentane

Which hydrocarbon has a triple bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
c) Alkynes

What is the name of the hydrocarbon C6H14?
a) Methane
b) Ethane
c) Propane
d) Hexane

Answer
d) Hexane

Which hydrocarbon has a double bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
b) Alkenes

What is the name of the hydrocarbon C7H16?
a) Methane
b) Ethane
c) Propane
d) Heptane

Answer
d) Heptane

Which hydrocarbon has a single bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
a) Alkanes

What is the name of the hydrocarbon C8H18?
a) Methane
b) Ethane
c) Propane
d) Octane

Answer
d) Octane

Which hydrocarbon has a benzene ring in its structure?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
d) Arenes

What is the name of the hydrocarbon C9H20?
a) Methane
b) Ethane
c) Propane
d) Nonane

Answer
d) Nonane

Which hydrocarbon has a cyclic structure?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
d) Arenes

What is the name of the hydrocarbon C10H22?
a) Methane
b) Ethane
c) Propane
d) Decane

Answer
d) Decane

Which hydrocarbon has a triple bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
c) Alkynes

What is the name of the hydrocarbon C11H24?
a) Methane
b) Ethane
c) Propane
d) Undecane

Answer
d) Undecane

Which hydrocarbon has a double bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
b) Alkenes

What is the name of the hydrocarbon C12H26?
a) Methane
b) Ethane
c) Propane
d) Dodecane

Answer
d) Dodecane

Which hydrocarbon has a single bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
a) Alkanes

What is the name of the hydrocarbon C13H28?
a) Methane
b) Ethane
c) Propane
d) Tridecane

Answer
d) Tridecane

Which hydrocarbon has a benzene ring in its structure?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
d) Arenes

What is the name of the hydrocarbon C14H30?
a) Methane
b) Ethane
c) Propane
d) Tetradecane

Answer
d) Tetradecane

Which hydrocarbon has a cyclic structure?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
d) Arenes

What is the name of the hydrocarbon C15H32?
a) Methane
b) Ethane
c) Propane
d) Pentadecane

Answer
d) Pentadecane

Which hydrocarbon has a triple bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
c) Alkynes

What is the name of the hydrocarbon C16H34?
a) Methane
b) Ethane
c) Propane
d) Hexadecane

Answer
d) Hexadecane

Which hydrocarbon has a double bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
b) Alkenes

What is the name of the hydrocarbon C17H36?
a) Methane
b) Ethane
c) Propane
d) Heptadecane

Answer
d) Heptadecane

Which hydrocarbon has a single bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
a) Alkanes

What is the name of the hydrocarbon C18H38?
a) Methane
b) Ethane
c) Propane
d) Octadecane

Answer
d) Octadecane

Which hydrocarbon has a benzene ring in its structure?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
d) Arenes

What is the name of the hydrocarbon C19H40?
a) Methane
b) Ethane
c) Propane
d) Nonadecane

Answer
d) Nonadecane

Which hydrocarbon has a cyclic structure?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
d) Arenes

What is the name of the hydrocarbon C20H42?
a) Methane
b) Ethane
c) Propane
d) Eicosane

Answer
d) Eicosane

Which hydrocarbon has a triple bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
c) Alkynes

What is the name of the hydrocarbon C21H44?
a) Methane
b) Ethane
c) Propane
d) Heneicosane

Answer
d) Heneicosane

Which hydrocarbon has a double bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
b) Alkenes

What is the name of the hydrocarbon C22H46?
a) Methane
b) Ethane
c) Propane
d) Docosane

Answer
d) Docosane

Which hydrocarbon has a single bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
a) Alkanes

What is the name of the hydrocarbon C23H48?
a) Methane
b) Ethane
c) Propane
d) Tricosane

Answer
d) Tricosane

Which hydrocarbon has a benzene ring in its structure?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
d) Arenes

What is the name of the hydrocarbon C24H50?
a) Methane
b) Ethane
c) Propane
d) Tetracosane

Answer
d) Tetracosane

Which hydrocarbon has a cyclic structure?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
d) Arenes

What is the name of the hydrocarbon C25H52?
a) Methane
b) Ethane
c) Propane
d) Pentacosane

Answer
d) Pentacosane

Which hydrocarbon has a triple bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
c) Alkynes

What is the name of the hydrocarbon C26H54?
a) Methane
b) Ethane
c) Propane
d) Hexacosane

Answer
d) Hexacosane

Which hydrocarbon has a double bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
b) Alkenes

What is the name of the hydrocarbon C27H56?
a) Methane
b) Ethane
c) Propane
d) Heptacosane

Answer
d) Heptacosane

Which hydrocarbon has a single bond between carbon atoms?
a) Alkanes
b) Alkenes
c) Alkynes
d) Arenes

Answer
a) Alkanes

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