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Write reactions for the action of the following reagents on p-chlorobenzaldehyde. Ethane-1,2-diol in presence of dry HCl. - Chemistry

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Write reactions for the action of the following reagents on p-chlorobenzaldehyde.

Ethane-1,2-diol in presence of dry HCl.

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Chapter 12: Aldehydes, Ketones and Carboxylic acids - Long answer questions

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SCERT Maharashtra Chemistry [English] 12 Standard HSC
Chapter 12 Aldehydes, Ketones and Carboxylic acids
Long answer questions | Q 2.1

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Answer in brief.

Formic acid is stronger than acetic acid. Explain.


Correct order of acid strength for

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

Write the preparation reactions for acid amide from the following.

Carboxylic acid


Write reactions for the following conversions.

Propanone to Propane


Write reactions for the following conversions.

4-Nitrobenzoic acid to Nitrobenzene


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.

C2H5OH


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

CH3COCl


Write reaction for preparation of acetophenone from benzoyl chloride.


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

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


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 ____________.


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:

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


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


Which among the following is the strongest acid?


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


Which of the following carboxylic acids ha highest acidic strength?


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


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?


How will you prepare Acetic anhydride from acetic acid?


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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