Acyl Chlorides

Oxalic acid is a strong reducing agent.

Draw the structure of oxalic acid.

Formic acid and acetic acid can be distinguished by reaction with

The product obtained when acetic acid is treated with ${\mathrm{PCl}}_3$ is:

Write Fries rearrangement.

Which is/are the correct statement(s) about the product $\left(\mathrm{A}\right),\left(\mathrm{B}\right)$ and involved reactions?

Which of the following represents the best method for converting a carboxylic acid to an aldehyde?

The major product obtained in the following reaction is

The main product formed in the following reaction is

The compound obtained by heating salicylic acid with phenol in the presence of phosphorus oxychloride is

Identify the reagents A and B respectively in the following reactions

$C{H}_{3}COOH \stackrel{A}{\to }C{H}_{3}COCl \stackrel{B}{\to }C{H}_{3}CHO$

Compounds A is treated with thiionyl chloride then ammonia to give compound B. Compound B is then reacted with bromine and sodium hydroxide (tricky) to give compound. Compound C is heated to give the final product, compound D. What is the most likely structure for compound D?

Benzoyl chloride is prepared from benzoic acid by

Ethyl benzoate reacts with $\mathrm{P}\mathrm{C}{\mathrm{l}}_5$ to give

Ethyl benzoate reacts with $\mathrm{P}\mathrm{C}{\mathrm{l}}_5$ to give

When benzoic acid is treated with $\mathrm{P}\mathrm{C}{\mathrm{l}}_5$ at ${100}^0\mathrm{C}$, it gives

When benzoic acid is treated with $\mathrm{P}\mathrm{C}{\mathrm{l}}_5$ at ${100}^0\mathrm{C}$, it gives

The reagent which does not give acid chloride on treating with a carboxylic acid is

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

$\mathrm{C}{\mathrm{H}}_3\mathrm{C}\mathrm{O}\mathrm{O}\mathrm{H}+\mathrm{P}\mathrm{C}{\mathrm{l}}_5\to \mathrm{A}$

$\mathrm{A}\underset{\mathrm{anhydrous}.\mathrm{ }{\mathrm{AlCl}}_3}{\stackrel{ {\mathrm{C}}_6{\mathrm{H}}_6 \mathrm{ }}{\to }}\mathrm{B}\underset{\mathrm{dry} \mathrm{ether}}{\stackrel{ {\mathrm{C}}_2{\mathrm{H}}_5\mathrm{MgBr} \mathrm{ }}{\to }}\mathrm{C}$

Product C would be