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प्रश्न
Write the preparation reactions for acid amide from the following.
Carboxylic acid
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उत्तर
Carboxylic acids react with ammonia to form ammonium carboxylate salt which on further strong heating at high temperature decomposes to give acid amide.
\[\begin{array}{cc}
\phantom{}\ce{O}\phantom{......==.............}\ce{O}\phantom{........................}\ce{O}\phantom{...}\\
\phantom{}||\phantom{.......................}||\phantom{.........................}||\phantom{...}\\
\ce{\underset{\text{Carboxylic acid}}{R - C - OH} + NH3 ⇌ \underset{\text{Ammonium carboxylate}}{R - C - O- - NH^+_4} ->[\Delta][-H2O] \underset{\text{Acid amide}}{R - C - NH2}}
\end{array}\]
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संबंधित प्रश्न
Arrange the following carboxylic acids with increasing order of their acidic strength and justify your answer.
1) 
2) 
3) 
Correct order of acid strength for
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- fluoroacetic acid
- 4-Nitrobenzoic acid
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What is the action of following on proponal?
Hydroxyl amine
What is the action of following on proponal?
Hydrazine
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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.
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Ethane-1,2-diol in presence of dry HCl.
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The product X is:
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Which of the following carboxylic acids ha highest acidic strength?
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\[\ce{RCOOH -> RCH2OH}\]
How will you prepare Acetic anhydride from acetic acid?
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\[\ce{\underset{}{Methylpropanoate} ->[Δ][dil. NaOH] \underset{\underset{}{}}{A}->[H+][Conc. HCl] \underset{\underset{}{}}{B}}\]
