An organic compound (A) (molecular formula C₈​H₁₆​O₂​) was hydrolyzed with dilute sulphuric acid to give a carboxylic acid (B) and an alcohol (C). Oxidation of (C) with chromic acid produced (B). (C) on dehydration gives but-1-ene, which than undergoes reduction to give (D). (C) of further reaction with lithium aluminium hydride gives (E), which is an aldehyde. 

Identify Compound (B).

Butanoic acid

The correct answer is option 1. Butanoic acid.