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Introduction to Organic Chemistry - Chapter 1

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Introduction to Organic Chemistry - Chapter 1

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Questions and Answers

Which element is the thirteenth most abundant in the earth's crust?

Hydrogen

Carbon (correct)

Nitrogen

Sulphur

What makes a compound organic in nature?

Presence of carbon (correct)

Existence of halogens

Absence of hydrogen

Inclusion of nitrogen

In what ways are organic compounds useful?

As fuels and fabrics

In food and tissue composition

As insecticides and perfumes

All of the above (correct)

Which element is the key element around which the process of life itself is built?

Carbon Signup and view all the answers

How does the number of known organic compounds containing carbon compare to that of all known inorganic compounds?

Exceeds several times Signup and view all the answers

What is the main reason for the separate study of carbon compounds to form a distinct branch of chemistry called organic chemistry?

Carbon compounds have a unique status due to the tetravalent nature of the carbon atom and its ability to form chains and rings. Signup and view all the answers

What type of bond is formed when a carbon atom combines with adjacent carbon atoms with one shared electron pair?

Single bond Signup and view all the answers

What determines the chemical behavior of organic compounds in general?

Presence of halogen, oxygen, nitrogen, and other atoms in the molecule Signup and view all the answers

Which type of compounds are especially important in rubber, plastics, and petroleum chemistry due to their presence of double or triple bonds?

Unsaturated compounds Signup and view all the answers

What is a functional group in an organic compound?

An atom or an aggregate of atoms which determines chemical behaviour of organic compounds Signup and view all the answers