A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.
? , Ethane, Propane, Butane
Table: Structural Formulas of the First Ten Continuous-chain Alkanes
Name |
Molecular Formula |
Structural Formula |
Boiling Point (°C) |
Methane |
CH4 |
CH4 |
-161.0 |
Ethane |
C2H6 |
CH3CH3 |
-88.5 |
Propane |
C3H8 |
CH3CH2CH3 |
-42.0 |
Butane |
C4H10 |
CH3CH2CH2CH3 |
0.5 |
Pentane |
C5H12 |
CH3CH2CH2CH2CH3 |
36.0 |
Hexane |
C6H14 |
CH3CH2CH2CH2CH2CH3 |
68.7 |
Heptane |
C7H16 |
CH3CH2CH2CH2CH2CH2CH3 |
98.5 |
Octane |
C8H18 |
CH3(CH2)6CH3 |
125.6 |
Nonane |
C9H20 |
CH3(CH2)7CH3 |
150.7 |
Decane |
C10H22 |
CH3(CH2)8CH3 |
174.1 |
Hence, Methane is missing term.