Hydrocarbon And That

Question 1

Define: Organic Chemistry

Answer 1

A branch of science that involves the study of the structure, properties, and composition of organic compounds and organic materials

Question 2

Explain the term: Hydrocarbon

Answer 2

Hydrocarbon is an organic compound consisting of entirely carbon and hydrogen.

Question 3

What are saturated Hydrogen Carbons?

Answer 3

Saturated hydrocarbons are molecules that only contain single bonds; all of the carbon atoms are bonded to four other atoms

Question 4

General formula of Alkanes

Answer 4

CnH2n+2

Question 5

Names and molecular formula of first 5 alkanes

Answer 5

Methane; CH4
Ethane; C2H6
Propane; C3H8
Butane; C4H10
Pentane; C5H12

Question 6

Used of Alkanes in our everyday life

Answer 6

Gasoline used to fuel cars, lubricating oils, methane and ethane used for heating and cooking

Question 7

Properties of Alkanes

Answer 7

Colorless
Odorless
Little biological Activity
Not be try reactive
Weak Van Der Waals Forces of Attractions

Question 8

What are Isomers?

Answer 8

Isomers are molecules with identical molecular formulas, same number of each element, but with different arrangements. ex;
Diamond and Graphite
Glucose and Fructose

Question 9

Define Alkenes

Answer 9

Class of hydrocarbons that are unsaturated with at least one carbon-to-carbon double bond
;also called olefins

Question 10

Formula of alkenes

Answer 10

CnH2n

Question 11

Give name and molecular formula of Alkenes

Answer 11

Ethene; C2H4
Propene; C3H6
1-Butene; C4H8
1-Pentene; C5H10
1-Hexene; C6H12

Question 12

Uses of Alkene in everyday life

Answer 12

Manufacture of plastics like polythene which is used in buckets and bags
Manufacture of polystyrene which is used in refrigerators and battery cases

Question 13

Properties of Alkenes

Answer 13

Colorless
Nonpolar
Combustible
More reactive than Alkanes
Exists in all 3 stages of matter at room temperature

Question 14

How is Vitamin A related to vision

Answer 14

It helps you see better in the dark and gives your eye a protective shield. People with Vitamin A deficiency can’t see in the dark

Question 15

Define Alkyne

Answer 15

Unsaturated Hydrocarbon with at least one carbon-carbon triple bond

Question 16

General Formula of Alkyne

Answer 16

CnH2n-2

Question 17

Names and Molecular Structure of first five Alkynes

Answer 17

Ethyne; C2H2
Propyne; C3H4
Butyne; C4H6
Pentyne; C5H8
Hexyne; C6H10

Question 18

Uses of Alkynes

Answer 18

Ethyne is used to make organic Solvents
Alkynes are commonly used to artificially ripen fruits
Used to make Polymers

Question 19

Properties of Alkynes

Answer 19

Dissolves in organic solvents
Has high solubility in polar solvents
Insoluble in water
Slightly higher boiling point than alkanes and alkenes
very similar to Alkenes

Question 20

What is the role of a pharmacist

Answer 20

Dispense Prescription Medication
Provide information about drugs and their uses
Advice healthcare workers on selection and dosages to treat health problems

Question 21

What is an “Aromatic Hydrocarbon”

Answer 21

Organic compounds with a chemistry typified by benzene resembling them in electronic configurations and chemical behavior

Question 22

Explain the term: Natural Gas

Answer 22

Naturally occurring mixture of gaseous hydrocarbons primarily made up of methane but can also contain other hydrocarbons.

Question 23

Explain: Petroleum

Answer 23

Known as oil and can also be crude oil.
It occurs naturally yellow-blackish with a mixture of mainly hydrocarbons

Question 24

What is Fractional Distillation?

Answer 24

Separation of a mixture into it’s component parts which is done by heating them until their heating point.

Question 25

Define Cracking

Answer 25

The breakdown of large hydrocarbons into smaller more useful pieces of alkanes and alkenes

Question 26

Define Coal

Answer 26

A naturally occurring solid material made up of high molecular weight hydrocarbons

Question 27

Define Reforming

Answer 27

Chemical process in which straight chain molecules are converted to branched forms for use in gasoline