English

Identify the compounds 'A' and 'B' in the following equation

Advertisements
Advertisements

Question

Identify the compounds 'A' and 'B' in the following equation:

Advertisements

Solution

A:CH3-CH2-NO2

    (Nitro ethane)

B:CH3-CH2-NH2

    (Ethanamine)

shaalaa.com
  Is there an error in this question or solution?
2013-2014 (March)

APPEARS IN

RELATED QUESTIONS

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


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


Accomplish the following conversion:

Benzyl chloride to 2-phenylethanamine


Accomplish the following conversion:

Benzamide to toluene


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:

\[\ce{CH3CH2Br ->[KCN] A ->[LiAlH4] B ->[HNO2][0^\circ C] C}\]


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

\[\ce{C6H5NO2 ->[Fe/HCl] A ->[NaNO2 + HCl][273 K] B ->[H2O/H+][\Delta] C}\]


Write the reaction of aliphatic primary amine with nitrous acid.


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


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


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


Choose the most correct option.

Which of the following compounds will dissolve in aqueous NaOH after undergoing reaction with Hinsberg reagent?


Answer the following

Identify A and B in the following reactions.

\[\ce{C6H5CH2Br->[alco.][KCN]A ->[Na/ethanol]B.}\]


Write reactions to prepare ethanamine from Acetonitrile.


Explain the following reaction with a suitable example.

Hofmann elimination reaction


Alkyl cyanides on reduction by sodium and ethanol give primary amines. This reaction is called as ____________.


The end product C of the following reaction is

\[\ce{C2H5NH2 ->[HNO2] A ->[PCl5] B ->[NH3][Alcohol] C}\]


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


Identify the major product (B).


____________ can be prepared exclusively by Gabriel phthalimide synthesis.


What product is formed when \[\ce{R - C ≡ N}\] is hydrolysed?


The reduction of alkyl cyanide with sodium and ethanol to give primary amines is, ____________.


Which of the following reagents is used in Mendius reduction reaction of alkyl cyanide?


Which of the following amines cannot be prepared by Gabriel phthalimide synthesis?


Which of the following reagents is used in Hofmann's elimination reaction of amines?


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


Which of the following does NOT give carbylamine test?


Which of the following reactions does NOT yield an amine?


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


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


Best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is ______.


Which of the following compounds is the weakest Brönsted base?


Which of the following reactions are correct?

(i)

(ii)

(iii)

(iv)


What is the best reagent to convert nitrile to primary amine?


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


Write following conversions:

nitrobenzene `->` acetanilide


How will you carry out the following conversion?


Describe Gabriel's phthalimide synthesis. (Give reaction)


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


Reduction of nitro alkanes yields which compound?


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:-


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


Which of the following amines can be prepared by Gabriel phthalimide reaction?


Which of the following statement(s) is/are incorrect in case of Hofmann bromamide degradation?


Write a short note on the following:

Ammonolysis


Write the name of reduction product formed when ethyl cyanide is treated with sodium and alcohol.


Write short note on the following:

Ammonolysis


Assertion: Amimonolysis of alkyl halides involves the reaction between alkyl halides and alcoholic ammonia.

Reason: Ammonolysis of alkyl halides produces secondary amines only.


Write short notes on the following:

Ammonolysis 


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×