मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Correct order of acid strength for i. acetic acid ii. fluoroacetic acid iii. 4-Nitrobenzoic acid iv. 4-Methyl benzoic acid is ______.

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प्रश्न

Correct order of acid strength for

  1. acetic acid
  2. fluoroacetic acid
  3. 4-Nitrobenzoic acid 
  4. 4-Methyl benzoic acid is ______.

पर्याय

  • i > ii > iii > iv

  • ii > iii > iv > i

  • iii > iv > i > ii

  • iv > i > ii > iii

MCQ
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उत्तर

ii > iii > iv > i

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पाठ 12: Aldehydes, Ketones and Carboxylic acids - Multiple choice questions

संबंधित प्रश्‍न

Answer in brief.

Formic acid is stronger than acetic acid. Explain.


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

1) 

2)

3)


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


Write the reducing agent which CANNOT reduce –COOH group.


What is the action of following on proponal?

Hydroxyl amine


Write reactions for the following conversions.

4-Nitrobenzoic acid to Nitrobenzene


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

C2H5OH


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

CH3COCl


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 the following compounds reacts with ammonia to form urotropine?


Which is the gas evolved when carboxylic acids react with strongly electropositive metals (such as Na, K, Ca, Zn)?


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


In the following reaction:

The product X is:


Products in the following reaction are:

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


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


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


Which of the following carboxylic acids ha highest acidic strength?


Write structure of adipic acid.


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


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

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


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?


Which among the following is the strongest acid?


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