6.13 - Functional groups and homologous series

Question 1

What is a functional group?

Answer 1

An atom or group of atoms that gives a compound some distinctive and predictable properties

Question 2

What is a homologous series?

Answer 2

A set of compounds with the same physical properties, same chemical properties, same functional groups, and that differ by a set amount of atoms from one compound to the next

Question 3

What is the easy way to remember the names for the first 4 compounds in any homologous series?

Answer 3

Monkeys Eat Peeled Bananas = Meth- Eth- Prop- But-

Question 4

What is the general formula of alkanes?

Answer 4

CnH2n+2

Question 5

What is the general formula for alkenes?

Answer 5

CnH2n

Question 6

What is the general formula for halogenoalkenes?

Answer 6

CnH2n+1X

Question 7

What is the general formula for alcohols?

Answer 7

CnH2n+1OH

Question 8

What is the trend for boiling point for alkanes?

Answer 8

As the alkane gets bigger, the boiling point increases

Question 9

What does this show?

Answer 9

That there are gradual changes in chemical properties for a homologous series

Question 10

What is the change in the formula for any compound in a homologous series to the next compound?

Answer 10

CH2