Unit 2-Recap And Molecular Structure

Question 1

What is a homologous series?

Answer 1

A homologous series is a group of chemicals which have similar chemical properties and can be represented by a general formula.

Question 2

What is a functional group?

Answer 2

a group of atoms responsible for the characteristic reactions of a particular compound.

Question 3

What is meant by a saturated compound?

Answer 3

Contain only C-C single bonds

Question 4

What is meant by an unsaturated compound?

Answer 4

Contain at least one C=C double bond

Question 5

What are isomers?

Answer 5

Isomers are molecules with the same chemical formula but different structural formula.

Question 6

What is an addition reaction?

Answer 6

C=C double bond is partially broken when the reactant molecule attacks and adds on across it.

Question 7

What is a condensation reaction?

Answer 7

Molecules join together and a small molecule is removed (usually water)

Question 8

What is hydrolysis?

Answer 8

Water molecules break apart a molecules (opposite of condensation)

Question 9

What are some physical properties?

Answer 9

melting point, boiling point, viscosity, colour, smell

Question 10

What are some chemical properties?

Answer 10

Flammability, heat of combustion, reactivity with water, pH

Question 11

This is the skeletal formula for which chemical?

Answer 11

Butane

Question 12

What is the molecular formula of the following compound?

Answer 12

C₅H₁₂

Question 13

What is the molecular formula of the following compound?

Answer 13

C₆H₁₂

Question 14

What is the molecular formula of the following compound?

Answer 14

C₅H₁₁NO

Question 15

What is the molecular formula of the following compound?

Answer 15

C₄H₈N₂O₃