Basic concepts of Organic Chemistry

Question 1

Define general formula

Answer 1

The simplest algebraic formula of a member of a homologous series (eg: CnH2n+2

Question 2

Define structural formula

Answer 2

The minimal detail that shows the arrangement of atoms in a molecule

Question 3

Give the structural formula of 2- methylbutan-1-ol

Answer 3

CH3CH2CH(CH3)CH2OH

Question 4

Define displayed formula.

Answer 4

The relative positioning of all atoms in a molecule and the bonds between them

Question 5

Define skeletal formula.

Answer 5

the simplified organic formula, shown by removing hydrogen atoms from alkyl chains and leaving just a carbon skeleton with functional groups

Question 6

Define molecular formula

Answer 6

A formula that shows the number and type of atoms of each element present in a molecule

Question 7

Give the structural formula of butan-2-ol

Answer 7

check specifications for answer (30)

Question 8

Define homologous series

Answer 8

A series of organic compounds that have the same functional group but with each successive member differing by -CH2

Question 9

Define a functional group

Answer 9

A group of atoms responsible for the chemical properties of a compound

Question 10

Define a hydrocarbon

Answer 10

A compound containing only hydrogen and carbon atoms

Question 11

What is the formula of an alkyl group?

Answer 11

CnH2n+1

Question 12

What is an aliphatic compound?

Answer 12

A compound containing carbon and hydrogen joined together in a straight chain, branched chains and non-aromatic rings

Question 13

What is an alicyclic compound?

Answer 13

An aliphatic compound arranged in non-aromatic rings with or without side chains

Question 14

What is an aromatic compound?

Answer 14

A compound containing a benzene ring

Question 15

What is a saturated hydrocarbon?

Answer 15

A hydrocarbon with only single-carbon bonds

Question 16

What is an unsaturated hydrocarbon?

Answer 16

A hydrocarbon with carbon-to-carbon bonds such s but - 2 - ene