N-ethyl formamide on dehydration with `POCI_(3)` in presence of pyridine gives:

N-ethyl formamide on treatment with POCI_(3) in pyridine gives

The product formed on reaction of n-butanol with SOCl_(2) in presence of pyridine is : chlorobutanol, 1-chlorobutane, chlorobutanone, 2-chlorobutane

on the dehydration gives

What will the structure of CrO_(5) in presence of pyridine ?

What will the structure of CrO_(5) in presence of pyridine ?

Ethyl chloride on reaction with chlorobenzene in presence of Sodium and ether gives:

Ethyl chloride on reaction with chlorobenzene in presence of Sodium and ether gives: