हिंदी

Write reactions to bring about the following conversions. Acetamide to methylamine

Advertisements
Advertisements

प्रश्न

Write reactions to bring about the following conversions.

Acetamide to methylamine

टिप्पणी लिखिए
Advertisements

उत्तर

\[\begin{array}{cc}
\ce{O}\phantom{.............................................................}\\
||\phantom{.............................................................}\\
\ce{\underset{\text{Acetamide}}{CH3 - C - NH2} + Br2 + 4KOH_{(aq)} ->[\Delta]\underset{\text{Methylamine}}{CH3 - NH2} + 2KBr + K2CO3 + 2H2O}\\\end{array}\]

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 13: Amines - Short answer questions (Type-II)

APPEARS IN

संबंधित प्रश्न

Write a short note on Hoffmann bromamide degradation.


Illustrate the following reaction giving suitable example in each case:Gabriel phthalimide synthesis


How do you convert the following: C6H5CONH2 to C6H5NH2


Give the structures of A, B and C in the following reactions :


Write a short note on the following:

Hoffmann’s bromamide reaction


Accomplish the following conversion:

Nitrobenzene to benzoic acid


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 structures of A, B and C in the following reaction:

\[\ce{CH3COOH ->[NH3][\Delta] A ->[NaOBr] B ->[NaNO2/HCl] C}\]


Give the structures of A, B and C in the following reaction:

\[\ce{C6H5NO2 ->[Fe/HCl] A ->[HNO2][273 K] B ->[C6H5OH] C}\]


Why cannot aromatic primary amines be prepared by Gabriel phthalimide synthesis?


Write the reaction of aromatic primary amine with nitrous acid.


Write the reaction of aliphatic primary amine with nitrous acid.


Explain the mechanism of action of hydroiodic acid on 3-methylbutan-2-ol.


Mention 'two' uses of propan-2-one.


Identify 'A' and 'B' in the following reaction and rewrite the complete reaction :


 Write structures of compounds A and B in each of the following reactions:


Write the order of reactivity of alkyl halides with ammonia.


Write reactions to bring about the following conversions.

Acetamide to Ethylamine


Write reactions for the preparation of ethanamine using Gabriel phthalimide synthesis.


Acetamide on reduction using Na/C2H5OH gives ____________.


Identify the product obtained, when benzamide is treated with bromine and aqueous sodium hydroxide.


____________ can be prepared exclusively by Gabriel phthalimide synthesis.


Which of the following reactions is appropriate for converting benzamide to aniline?


Identify the product obtained when benzamide is treated with bromine and aqueous sodium hydroxide?


Identify 'A' and 'B' in the following conversions.

\[\ce{CH3 - I ->[Alc. KCN][\Delta] A ->[Na/C2H5OH] B}\]


In aqueous phase the order of basic strength of alkylamine is ______.


Which of the following compounds is obtained when quaternary ammonium hydroxide is strongly heated?


Nitro compounds are reduced by iron scrap and hydrochloric acid to yield one of the following compounds:


Quaternary ammonium salt is formed:


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?


Which of the following reagents would not be a good choice for reducing an aryl nitro compound to an amine?


The source of nitrogen in Gabriel synthesis of amines is ______.


Amongst the given set of reactants, the most appropriate for preparing 2° amine is ______.


The best reagent for converting, 2-phenylpropanamide into 1- phenylethanamine is ______.


Reduction of nitrobenzene by which of the following reagent gives aniline?

(i) \[\ce{Sn/HCl}\]

(ii) \[\ce{Fe/HCl}\]

(iii) \[\ce{H2 - Pd}\]

(iv) \[\ce{Sn/NH4OH}\]


Which of the following reactions are correct?

(i)

(ii)

(iii)

(iv)


Suggest a route by which the following conversion can be accomplished.


Identify A and B in the following reaction.


Write following conversions:

acetanilide `->` p-nitroaniline


How will you carry out the following conversion?


Assertion: Hoffmann’s bromamide reaction is given by primary amines.

Reason: Primary amines are more basic than secondary amines.


Account for the following:

Aniline cannot be prepared by the ammonolysis of chlorobenzene under normal conditions.


The Gabriels' phthalimide synthesis is used in the synthesis of


A primary amine is formed by an amide on treatment with bromine and alkali. The primary amine has


In the given reaction what is the X?

\[\begin{array}{cc}
\ce{O}\phantom{.......................}\\
||\phantom{.......................}\\
\phantom{}\ce{R - C - OH <-[H3O] Χ ->[H] RCH2NH2}
\end{array}\]


Which of the following compound is expected to be most basic?


When primary amines are treated with HCl, the product obtained is which of the following?


Write the name of the product formed by the action of LiAlH4/ether on acetamide.


Identify the compo ds A and B in the following reactions:

\[\ce{A ->[Nitrating mixture] B ->[(i) Sn/cone. HCI][(ii) NaOH] Aniline}\]


Write a short note on the following:

Ammonolysis


Write a short note on Ammonolysis.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×