Basic Organic

Question 1

what is the general formula of alkanes

Answer 1

CnH2n+2

Question 2

what is the structural shape and bond angle of methane

Answer 2

tetrahedral, 109.5

Question 3

define a homologous series

Answer 3

organic compounds with the same functional group and general formula

Question 4

what does a functional group do to a hydrocarbon

Answer 4

give it specific chemical properties

Question 5

halogenoalkane functional group

Answer 5

-x

Question 6

aldehydes functional group

Answer 6

-CHO

Question 7

ketones functional group

Answer 7

-C=O

Question 8

alcohols functional group

Answer 8

-OH

Question 9

carboxylic acids functional group

Answer 9

-COOH

Question 10

name the 6 ways to represent molecules

Answer 10

• molecular formula
• empirical formula
• general formula
• structural formula
• displayed formula
• skeletal formula

Question 11

alkenes functional group

Answer 11

C=C

Question 12

name two ways you can work out water of crystallisation

Answer 12

• titration
• heat till no mass change