An ester (A) with molecular formula C₉H₁₀O₂ was treated with excess of CH₃MgBr and the complex so formed was treated with H₂SO₄ to give an olefin (B).  Ozonolysis of (B) gave a ketone with molecular formula C₈H₈O which shows positive iodoform test.  The structure of (A) is

In a set of reactions propionic acid yielded a compound D.

The structure of D would be

An ester is boiled with KOH.  The product is cooled and acidified with conc HCI.  A white crystalline acid separates.  The ester is

In the following reaction, product 'P' is

Reduction by LiAIH₄ of hydrolysed product of an ester gives

Among acetic acid, phenol and n-hexanol, which one of the following compound will react with NaHCO₃ solution to give sodium salt and CO₂ ?

Sodium formate on heating yields

Which one of the following esters cannot undergo Claisen self-condensation ?

Among the following the strongest acid is

In a set of the given reactions, acetic acid yielded a product C.

Product C would be