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Write the structure of the product formed when carboxylic acid is heated with a dehydrating agent like P2O5 - Chemistry

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प्रश्न

Write the structure of the product formed when carboxylic acid is heated with a dehydrating agent like P2O5

एक पंक्ति में उत्तर
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उत्तर

Mono carboxylic acids on heating with a strong dehydrating agent like P2O5, give acid anhydrides. The structure of acid anhydride is,

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अध्याय 12: Aldehydes, Ketones and Carboxylic acids - Very Short Answer Questions

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एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
अध्याय 12 Aldehydes, Ketones and Carboxylic acids
Very Short Answer Questions | Q 6

संबंधित प्रश्न

Arrange the following carboxylic acids with increasing order of their acidic strength and justify your answer.

1) 

2)

3)


Write the reducing agent which CANNOT reduce –COOH group.


What is the action of following on proponal?

Hydroxyl amine


What is the action of following on proponal?

Hydrazine


Write the preparation reactions for acid amide from the following.

Acid chloride


Write reactions for the following conversions.

Propanone to Propane


Write chemical reactions to convert –COOH group of acetic acid into the following.

CH4


Write chemical reactions to convert –COOH group of acetic acid into the following.

CH3COCl


In the reaction,

\[\ce{CH3COOH ->[SOCl2] X ->[Sodium salt of carboxylic acid] Y}\].

The compound Y was found to be a mixed acid anhydride. Thus, the sodium salt of carboxylic acid used CANNOT be ____________.


In the reaction, \[\ce{C6H5COCH3 ->[{[H]}][Zn-Hg/conc. HCl] X}\], X is ______.


The product of the reaction between dialkyl cadmium and acyl chloride is a/an ____________.


Which of following elements does not form amide when reacted with ammonia?


In the following reaction:

The product X is:


A flavouring agent found in oil of wintergreen is ______.


Products in the following reaction are:

\[\ce{CH3COOH + PCl3 ->[\Delta]}\]


The elimination of CO2 from a carboxylic acid is known as ____________.


Which of the following aromatic acids has less acidic strength than benzoic acid?


Which of the following functional groups is reduced by diborane?


Which of the following compounds is obtained when ethanoic anhydride is treated with water?


Which of the following carboxylic acids ha highest acidic strength?


Which oxide of nitrogen is obtained on heating ammonium nitrate at 250°C?


Excess of ammonia with sodium hypochloride solution in the presence of glue or gelatine gives ______.


The number of bonding pairs and lone pairs of electrons present in the central atom of ammonia molecular are respectively.


Which of the following can reduce?

\[\ce{RCOOH -> RCH2OH}\]


Draw structures 01 conjugate bases of monochloroacetic acid and dichloroacetic acid. Which one is more stabilized by -I effect?


How sodium bicarbonate test is used to distinguish between carboxylic acid and phenol?


Identify the product ‘B’ in the following sequence of reactions.

\[\ce{\underset{}{Methylpropanoate} ->[Δ][dil. NaOH] \underset{\underset{}{}}{A}->[H+][Conc. HCl] \underset{\underset{}{}}{B}}\]


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