MolSynapsequestion bank
MolSynapse / Question bank / Hydrocarbons / Alkanes: preparation (Wurtz, Kolbe, decarboxylation) and reactions
JEE Main levelSingle correct optionDifficulty 2 of 3hc174

Sodium 3-methylbutanoate, , is heated with soda lime. The main organic product is:

  1. A2-Methylpropane
  2. BButane
  3. C2-Methylbutane
  4. DPropane

Answer: A

Decarboxylation replaces by H: . This is 2-methylpropane (isobutane), with one carbon fewer than the acid.
Practice Hydrocarbons More on Alkanes: preparation (Wurtz, Kolbe, decarboxylation) and reactions

More questions on Alkanes: preparation (Wurtz, Kolbe, decarboxylation) and reactions