Question

identify the odd one out with the reason....methane, ethane,ethene,propane

Answer 1

odd one is ethene because it is unsaturated and others are saturated

Answer 2

Ethene is the odd one out.

Explanation:-

• Methane, ethane, propane are alkanes whereas ethene is an alkene.
• The fundamental distinctions between alkanes and alkene are their functional groups and degree of unsaturation.
• Alkanes are characterised as saturated hydrocarbons. They have a solitary C-C bond.
• Alkenes are called unsaturated hydrocarbons since it comprises a C=C bond in its structure. The C=C is its functional group.