Gridlocks – did you unlock the grid?
Organic formulae 2
Before you answer the puzzles below fill in the table of alkanes:
name
molecular formula
structural formula
propane
C3H8
CH3CH2CH3
butane
C4H10
CH3CH2CH2CH3
pentane
C5H12
CH3(CH2)3CH3
hexane
C6H14
CH3(CH2)4CH3
skeletal formula
Problem Solving Puzzle 1
Each row, column and 2 x 2 box contains information about the four alkanes listed above. Use your problem
solving skills and the answers in the table above to fill in the blank boxes.
name
molecular formula
pentane
propane
C4H10
C6H14
hexane
butane
C5H12
C3H8
CH3CH2CH3
CH3(CH2)3CH3
CH3CH2CH2CH3
CH3(CH2)4CH3
structural formula
skeletal formula
Gridlocks – did you unlock the grid?
Puzzle 2
name
molecular formula
butane
pentane
C6H14
C3H8
hexane
propane
C4H10
C5H12
CH3CH2CH3
CH3CH2CH2CH3
CH3(CH2)3CH3
CH3(CH2)4CH3
structural formula
skeletal formula
Puzzle 3
name
molecular formula
butane
hexane
C5H12
C3H8
pentane
propane
C6H14
C4H10
CH3CH2CH3
CH3(CH2)3CH3
CH3(CH2)4CH3
CH3CH2CH2CH3
structural formula
skeletal formula