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प्रश्न
Among the following amines, the strongest Brönsted base is:
पर्याय
\[\ce{NH3}\]
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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
How are propan-1-amine and propan-2-amine prepared from oxime?
How do you convert the following: Ethanenitrile to ethanamine
Give the structure of A, B and C in the following reaction:
\[\ce{CH3CH2I ->[NaCN] A ->[OH-][Partial hydrolysis] B ->[NaOH + Br2] C}\]
Give the structure of A, B and C in the following reaction:
\[\ce{C6H5NO2 ->[Fe/HCl] A ->[NaNO2 + HCl][273 K] B ->[H2O/H+][\Delta] C}\]
Answer the following
Explain Gabriel phthalimide synthesis.
Name the process of breaking C-X bond by ammonia in preparation of amines.
Write reactions for the preparation of ethanamine using Gabriel phthalimide synthesis.
Identify the major product (B).
Which of the following reactions is appropriate for converting benzamide to aniline?
In aqueous phase the order of basic strength of alkylamine is ______.
Which of the following reagents is used in Hofmann's elimination reaction of amines?
How will you bring out the following conversion?
Assertion: Aromatic 1° amines can be prepared by Gabriel Phthalimide Synthesis.
Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.
The Gabriels' phthalimide synthesis is used in the synthesis of
A compound 'A' on reduction with iron scrap and hydrochloric acid gives compound 'B' with molecular formula C6H7N. Compound 'B' on reaction with CHCl3 and alcoholic KOH produces an obnoxious smell of carbylamine due to the formation of 'C'. Identify 'A', 'B' and 'C' and write the chemical reactions involved.
- Phenyl methenamine
- N, N - Dimethylaniline
- N - Methyl aniline
- Benzenamine
Choose the correct order of the basic nature of the above amines.
Write short note on the following:
Ammonolysis
Write a short note on the following:
Ammonolysis
Write a short note on Ammonolysis.
Assertion: Amimonolysis of alkyl halides involves the reaction between alkyl halides and alcoholic ammonia.
Reason: Ammonolysis of alkyl halides produces secondary amines only.
