1.
Assertion: Alkanes are hydrocarbons with only a double bond.
Reason: Alkanes are saturated compounds because they all have single bonds (\(C-C\)).
 
2.
Assertion: Hydrocarbons are organic compounds that are made up of only carbon and hydrogen atoms
Reason: The compounds in which the carbon atoms form a chain-linked in a linear pattern or branched are called as acyclic or open-chain compounds.