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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Write reactions for the following conversions. 4-Nitrobenzoic acid to Nitrobenzene

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प्रश्न

Write reactions for the following conversions.

4-Nitrobenzoic acid to Nitrobenzene

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उत्तर

Sodium salts of 4-nitrobenzoic acid on heating with soda lime give nitrobenzene.

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पाठ 12: Aldehydes, Ketones and Carboxylic acids - Short answer questions (Type-II)

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एससीईआरटी महाराष्ट्र Chemistry [English] Standard 12 Maharashtra State Board
पाठ 12 Aldehydes, Ketones and Carboxylic acids
Short answer questions (Type-II) | Q 3.3

संबंधित प्रश्‍न

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

1) 

2)

3)


What is the action of following on proponal?

Hydroxyl amine


Write the preparation reactions for acid amide from the following.

Carboxylic acid


Write reaction for preparation of acetophenone from benzoyl chloride.


Complete the following sequence of reactions and write structures for A, B, C.

\[\ce{Dry ice ->[i. Dry ether][ii. Hydrolysis] A ->[PCl5] B ->[H2(gas)][Pd - BaSO4] C}\]


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 ______.


Which of the following carboxylic acids will have the highest acidity?


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


What amount of dinitrogen contains 3.6 × 1018 molecules?


The reducing agent preferred to convert carboxylic acids and esters to primary alcohols is ____________.


Which of the following functional groups is reduced by diborane?


Write structure of adipic acid.


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?

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


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


Which of the following can not be oxidised to give carboxylic acid?


Which of the following represents the correct order of the acidity in the given compounds?


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