Esters

Author:Embibe Experts
KCET (UG)
IMPORTANT

Important Questions on Esters

HARD
IMPORTANT

An ester (A) with molecular formula C9H10O2 was treated with an 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 C9H8O which shows +ve iodoform test. The structure of (A) is:

MEDIUM
IMPORTANT

An ester is boiled with KOH. The product is cooled and acidified with concentrated HCl. A white crystalline acid separates. The ester is:

MEDIUM
IMPORTANT

When esters are hydrolysed, the product gives hydrogen ions. The product which gives hydrogen ion is:

EASY
IMPORTANT

Self-condensation of two moles of ethyl acetate in the presence of sodiumethoxide after acidification yields:

HARD
IMPORTANT

Hydrolysis of an ester gives a carboxylic acid, which on Kolbe's electrolysis, yields ethane. The ester is:

MEDIUM
IMPORTANT

The hydrolsis of an ester gives a carboxylic acid, which on Kolbe's electrolysis yields ethane. The ester is

EASY
IMPORTANT

An ester is boiled with KOH. When the product is cooled and acidified with concentrated HCl, a white crystalline acid separates. The ester is