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प्रश्न
Among the following amines, the strongest Brönsted base is:
विकल्प
\[\ce{NH3}\]
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उत्तर
Explanation:
Pyrrolidine is the strongest of two bases because the lone pair of nitrogen does not involve sin resonance and the presence of two alkyl basic compounds increases the basic strength among the given four compounds.
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संबंधित प्रश्न
Write a short note on Hoffmann bromamide degradation.
Identify the compounds 'A' and 'B' in the following equation:
Give the structure of A, B and C in the following reaction:
\[\ce{C6H5NO2 ->[Fe/HCl] A ->[NaNO2 + HCl][273 K] B ->[H2O/H+][\Delta] C}\]
Explain the mechanism of action of hydroiodic acid on 3-methylbutan-2-ol.
Give the structures of A, B and C in the following reactions :
Write reactions to prepare ethanamine from Acetonitrile.
The end product C of the following reaction is
\[\ce{C2H5NH2 ->[HNO2] A ->[PCl5] B ->[NH3][Alcohol] C}\]
What product is formed when \[\ce{R - C ≡ N}\] is hydrolysed?
Which of the following amines cannot be prepared by Gabriel phthalimide synthesis?
Which of the following does NOT give carbylamine test?
Benzylamine may be alkylated as shown in the following equation:
\[\ce{C6H5CH2NH2 + R - X -> C6H5CH2NHR}\]
Which of the following alkylhalides is best suited for this reaction through SN1 mechanism?
Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is ______.
What is the product when \[\ce{C6H5CH2NH2}\] reacts with \[\ce{HNO2}\]?
Assertion: Hoffmann’s bromamide reaction is given by primary amines.
Reason: Primary amines are more basic than secondary amines.
Describe Gabriel's phthalimide synthesis. (Give reaction)
In the given reaction what is the X?
\[\begin{array}{cc}
\ce{O}\phantom{.......................}\\
||\phantom{.......................}\\
\phantom{}\ce{R - C - OH <-[H3O] Χ ->[H] RCH2NH2}
\end{array}\]
Acetamide and ethyl amide can be distinguished by reacting with.
C6H5CONHCH3 can be converted into C6H5CH2NHCH3 by:-
Give reasons for the following:
Ammonolysis of alkyl halides is not a good method to prepare pure primary amines.
Write short notes on the following:
Ammonolysis
