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. 

What is the name of the compound (E)?

Butanal

The correct answer is option 2. Butanal.