acetic acid on heating in presence of p2o5 gives 403027044

Acetic acid on heating in presence of \[{{P}_{2}}{{O}_{5}}\] gives

A. acetic anhydride

B. acetylene

C. peracid

D. no reaction

Answer : acetic anhydride

Solution :
\[{{P}_{2}}{{O}_{5}}\] is a dehydrating agent and removes a molecule of water from two molecules of acetic acid \[C{{H}_{3}}COOH+HOOCC{{H}_{3}}\xrightarrow{{{P}_{2}}{{O}_{5}}}C{{H}_{3}}COOCOC{{H}_{3}}\]

Releted MCQ Question on
Organic Chemistry >> Carboxylic Acid

Releted Question 1

When acetaldehyde is heated with Fehling’s solution it gives a precipitate of

A. $$Cu$$

B. $$CuO$$

C. $$C{u_2}O$$

D. $$Cu + C{u_2}O + CuO$$

View Answer

Releted Question 2

In the Cannizzaro reaction given below,
\[2PhCHO\xrightarrow{^{-}OH}PhC{{H}_{2}}OH+PhCO_{2}^{-},\]
the slowest step is

A. the attack of $$^ - OH$$ at the carbonyl group,

B. the transfer of hydride to the carbonyl group,

C. the abstraction of proton from the carboxylic acid,

D. the deprotonation of $$PhC{H_2}OH.$$

View Answer

Releted Question 3

When propionic acid is treated with aqueous sodium bicarbonate, $$C{O_2}$$ is liberated. The $$'C'$$ of $$C{O_2}$$ comes from

A. methyl group

B. carboxylic acid group

C. methylene group

D. bicarbonate

View Answer

Releted Question 4

Benzoyl chloride is prepared from benzoic acid by

A. $$C{l_2},hv$$

B. $$S{O_2}C{l_2}$$

C. $$SOC{l_2}$$

D. $$C{l_2},{H_2}O$$

View Answer

Acetic acid on heating in presence of \[{{P}_{2}}{{O}_{5}}\] gives

Releted MCQ Question on
Organic Chemistry >> Carboxylic Acid

When acetaldehyde is heated with Fehling’s solution it gives a precipitate of

In the Cannizzaro reaction given below,
\[2PhCHO\xrightarrow{^{-}OH}PhC{{H}_{2}}OH+PhCO_{2}^{-},\]
the slowest step is

When propionic acid is treated with aqueous sodium bicarbonate, $$C{O_2}$$ is liberated. The $$'C'$$ of $$C{O_2}$$ comes from

Benzoyl chloride is prepared from benzoic acid by

Practice More Releted MCQ Question on
Carboxylic Acid

Practice More MCQ Question on Chemistry Section

Acetic acid on heating in presence of \[{{P}_{2}}{{O}_{5}}\] gives

Releted MCQ Question on Organic Chemistry >> Carboxylic Acid

When acetaldehyde is heated with Fehling’s solution it gives a precipitate of

In the Cannizzaro reaction given below, \[2PhCHO\xrightarrow{^{-}OH}PhC{{H}_{2}}OH+PhCO_{2}^{-},\] the slowest step is

When propionic acid is treated with aqueous sodium bicarbonate, $$C{O_2}$$ is liberated. The $$'C'$$ of $$C{O_2}$$ comes from

Benzoyl chloride is prepared from benzoic acid by

Practice More Releted MCQ Question on Carboxylic Acid

Practice More MCQ Question on Chemistry Section

Releted MCQ Question on
Organic Chemistry >> Carboxylic Acid

In the Cannizzaro reaction given below,
\[2PhCHO\xrightarrow{^{-}OH}PhC{{H}_{2}}OH+PhCO_{2}^{-},\]
the slowest step is

Practice More Releted MCQ Question on
Carboxylic Acid