Carbon and Its Compounds: Allotropes and Applications

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30 Questions

What are the three well-known allotropes of carbon?

Graphite, diamond, and buckminsterfullerene

Which allotrope of carbon is a good conductor of electricity?

Graphite

How many carbon atoms is each carbon atom bonded to in graphite?

Three

What gives diamond its hardness?

Its rigid three-dimensional structure

What percentage of carbon is found in the Earth's crust?

0.02%

How are synthetic diamonds formed?

By subjecting pure carbon to very high pressure and temperature

What is the general formula for saturated hydrocarbons?

CnH2n+2

Which class of carbon allotropes was the first to be identified and has carbon atoms arranged in the shape of a football?

Fullerene

What property allows carbon atoms to form straight chains, branched chains, or rings of different sizes by self-linkage?

Catenation

What is the unique property of self-linkage of carbon atoms to form straight chains, branched chains, or rings of different sizes called?

Catenation

What is the electronic configuration of carbon?

2 electrons in KL shell and 4 electrons in L shell

Which compound cannot form lather in hard water?

Soap

What type of compounds are formed by the reaction of castor with sodium hydroxide?

Soaps

What are compounds that consist of at least one aromatic ring called?

Arenes

What is the class of compounds which consist of a single, double, or triple bond between carbon-carbon atoms?

Unsaturated Hydrocarbons

What is the unique property of diamond that distinguishes it from graphite?

Rigid three-dimensional structure

How are synthetic diamonds typically produced?

Subjecting pure carbon to high pressure and temperature

What is the term for an element having different physical properties but similar chemical properties in different forms?

Allotropes

Which allotrope of carbon forms layers of hexagonal arrays bonded in a plane?

Graphite

What is the percentage of carbon found in the Earth's crust?

0.02%

What is the general term for compounds consisting of at least one aromatic ring?

Arenes

Which type of hydrocarbons consist of at least one aromatic ring?

Arenes

What is the general formula for alkynes?

CnH2n-2

What is the unique property of carbon atoms to form straight chains, branched chains, or rings of different sizes by self-linkage called?

Catenation

What is the electronic configuration of carbon?

2 electrons in KL shell and 4 electrons in L shell

What are compounds formed by the reaction of castor with sodium hydroxide called?

Soaps

Which allotrope of carbon cannot form lather in hard water?

Fullerene

What is the percentage of carbon found in the Earth's crust?

~0.1%

How many carbon atoms is each carbon atom bonded to in graphite?

Two

How are synthetic diamonds formed?

High pressure and high temperature (HPHT) or chemical vapor deposition (CVD)

Test your knowledge about carbon and its compounds, including its importance in fuels, household and commercial articles, textile fabrics, perfumes, explosives, and more. Explore the concept of allotropes of carbon and its various forms with different physical properties but similar chemical properties.

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