Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields

The relative reactivities of acyl compounds towards nucleophilic substitution are in the order of

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

Benzoic acid may be converted into ethyl benzoate by reaction with

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

Propionic acid with Br₂ - P yields a dibromo product.  Its structure would be

Schotten-Baumann reaction is a reaction of phenols with

Which one of the following orders of acidic strength is correct ?

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

Formic acid is obtained when