Q.
An organic compound ′A′ has the molecular formula C3H6O, it undergoes iodoform test. When saturated with dil. HCl it gives ′B′ of molecular formula C9H14O. A and B respectively are
The compound A with formula C3H6O gives iodoform test, it is propanone. It forms a compound B having carbon atoms three times to the number of carbon atoms in propanone, it is 2, 6-dimethyl-2, 5-heptadien-4-one