Organic Chemistry

Question 1

Define saturated

Answer 1

Single bonds only

Question 2

Define hydrocarbon

Answer 2

Contains hydrogen and carbon only

Question 3

Define homologous series

Answer 3

A group of compounds with the same general formula, that differ by CH2, the same functional group, similar chemical properties.

Question 4

Give 5 properties of a homologous series

Answer 4

Same general properties 
Same functional group
Differ by CH2
Similar chemical reactions 
Show a graduation in physical properties

Question 5

General formula and functional group of Alkanes

Answer 5

C(n)H(2n+2)

C-C

Question 6

General formula and functional group of Alkenes

Answer 6

C(n)H(2n)

C=C

Question 7

General formula and functional group of Alcohols

Answer 7

C(n)H(2n+1)OH

C-O-H

Question 8

General formula and functional group of Halogenoalkanes

Answer 8

C(n)H(2n+1)Hal.

C-Hal

Question 9

General formula and functional group of Carboxylic acids

Answer 9

C(n)H(2n)O(2)

COOH

Question 10

General formula and functional group of Aldehydes

Answer 10

C(n)H(2n)O

C=O

Question 11

Prefixes of the homologous series up to 6

Answer 11

1) meth
2) eth
3) prop
4) but
5) pent
6) hex

Question 12

Define empirical formula

Answer 12

The simplest whole number ratio of atoms of each element

Question 13

Define molecular formula

Answer 13

The actual number of Stoke of each element in one molecule

Question 14

Define Structural formula

Answer 14

Shows atoms carbon by carbon with attached hydrogen and functional groups

Question 15

Define displayed formula

Answer 15

Shows all atoms and all bonds

Question 16

Define skeletal formula

Answer 16

Shows the bonds of the carbon skeleton only and functional groups

Question 17

What’s the identification test for an Alkene

Answer 17

It will turn brown bromine water colourless