The correct order of increasing boiling points of the following compounds is:
Pentan-1-ol, n-Butane, Pentanal, Ethoxyethane
1
Ethoxyethane, Pentanal, n-Butane, Pentan-1-ol
2
Pentanal, n-Butane, Ethoxyethane, Pentan-1-ol
3
n-Butane, Pentanal, Ethoxyethane, Pentan-1-ol
4
n-Butane, Ethoxyethane, Pentanal, Pentan-1-ol