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Hydrocarbons and Organic Compounds

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Questions and Answers

What was the original belief about organic compounds in the early 19th century?

They were not found in nature.

They came only from living things. (correct)

They were composed of carbon and hydrogen only.

They could be synthesized in the lab.

What is the primary source of hydrocarbons?

Microorganisms

Living organisms

Fossil fuels (correct)

Non-renewable energy sources

Which process is used to separate hydrocarbons?

Fractional distillation (correct)

Cracking

Cooling

Heating

What is the term for breaking down large hydrocarbons into smaller ones?

Cracking Signup and view all the answers

What is the main difference between saturated and unsaturated hydrocarbons?

Their bond structure Signup and view all the answers

What are hydrocarbons primarily used for?

Energy and raw materials Signup and view all the answers

What is the primary source of many hydrocarbons?

Remains of microorganisms that lived in Earth's oceans Signup and view all the answers

What is the process of breaking larger molecules into smaller ones called?

Cracking Signup and view all the answers

What is the purpose of fractional distillation in refining hydrocarbons?

To separate crude oil into its components Signup and view all the answers

What is the definition of an organic compound?

A compound containing carbon and at least one other element Signup and view all the answers

Which of the following is an example of an unsaturated hydrocarbon?

CaC2 Signup and view all the answers

What is the product of refining hydrocarbons that is used as a starting material for synthesizing products like plastics, films, and synthetic fibers?

Lighter fractions Signup and view all the answers

What is the primary exception to the term organic compound?

Carbon oxides, carbides, and carbonates Signup and view all the answers

What is the typical number of covalent bonds formed by a carbon atom in organic compounds?

Four Signup and view all the answers

What is the simplest hydrocarbon molecule?

Methane Signup and view all the answers

What is the characteristic of an unsaturated hydrocarbon?

Contains at least one double or triple bond Signup and view all the answers

Why do carbon atoms form complex, branched-chain structures?

Because carbon forms four covalent bonds Signup and view all the answers

What is the result of carbon atoms bonding to each other?

Formation of chains from two to thousands of carbon atoms in length Signup and view all the answers