Final answer:
In a substitution reaction, the organic product depends on the reactant involved. Alkanes yield alkyl halides, alkenes yield alkyl halides, alkenes yield alkyl halides, and haloalkanes do not react.
Step-by-step explanation:
In a substitution reaction, the organic product depends on the reactant involved. Let's consider each option:
a) If the reactant is an alkane, the product will also be an alkane. For example, if the reactant is methane (CH4) and it undergoes substitution with a halogen, such as bromine (Br2), the product would be bromomethane (CH3Br).
b) If the reactant is an alkene, the product will be an alkyl halide. For example, if the reactant is ethene (C2H4) and it undergoes substitution with bromine, the product would be bromoethane (C2H5Br).
c) If the reactant is an alkyne, the product will also be an alkyl halide. For example, if the reactant is ethyne (C2H2) and it undergoes substitution with bromine, the product would be bromoethyne (C2HBr).
d) If the reactant is a haloalkane (alkyl halide), no reaction would occur because a substitution reaction requires the presence of a hydrogen atom in the reactant.