English

The following amines is the product of Gabriel phthalimide synthesis. - Chemistry

Advertisements
Advertisements

Question

The following amines is the product of Gabriel phthalimide synthesis.

Options

  • secondary aliphatic amine

  • primary aliphatic amine

  • aromatic primary amine

  • tertiary aliphatic amine

MCQ
Advertisements

Solution

primary aliphatic amine

shaalaa.com
  Is there an error in this question or solution?
Chapter 13: Amines - Multiple Choice Questions

APPEARS IN

SCERT Maharashtra Chemistry [English] 12 Standard HSC
Chapter 13 Amines
Multiple Choice Questions | Q 1

RELATED QUESTIONS

How do you convert the following: Ethanenitrile to ethanamine


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 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 :


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:


Answer the following

Explain Gabriel phthalimide synthesis.


Mendius reaction is used to convert _____________


Write reactions to bring about the following conversions.

Acetamide to methylamine


The end product C of the following reaction is

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


What is the molar mass of the amine formed when acetamide undergoes Hofmann bromamide degradation?


Which of the following amines forms a clear solution when treated with benzene sulphonyl chloride and excess of potassium hydroxide?


Identify the INCORRECT statement regarding Hofmann bromamide reaction.


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


Identify product B in the following reaction.

\[\ce{Aniline ->[NaNO2][HCl] A ->[KI] B}\]


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


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 following, the strongest base in aqueous medium is ______.


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?


In order to prepare a 1° amine from an alkyl halide with simultaneous addition of one \[\ce{CH2}\] group in the carbon chain, the reagent used as source of nitrogen is ______.


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 ______.


Hoffmann Bromamide Degradation reaction is shown by ______.


Reduction of aromatic nitro compounds using \[\ce{Fe}\] and \[\ce{HCl}\] gives ______.


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


Among the following amines, the strongest Brönsted base is:


The reagents that can be used to convert benzenediazonium chloride to benzene are:

(i) \[\ce{SnCl2/HCl}\]

(ii) \[\ce{CH3CH2OH}\]

(iii) \[\ce{H3PO2}\]

(iv) \[\ce{LiAlH4}\]


Under which of the following reaction conditions, aniline gives p-nitro derivative as the major product?

(i) Acetyl chloride/pyridine followed by reaction with conc.\[\ce{H2SO4 }\] + conc. \[\ce{HNO3}\].

(ii) Acetic anyhdride/pyridine followed by conc.\[\ce{H2SO4}\] + conc.\[\ce{HNO3}\].

(iii) Dil. HCl followed by reaction with conc.\[\ce{H2SO4}\] + conc.\[\ce{HNO3}\].

(iv) Reaction with conc.\[\ce{HNO3}\] + conc.\[\ce{H2 SO4}\].


What is the product when \[\ce{C6H5CH2NH2}\] reacts with \[\ce{HNO2}\]?


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: Aromatic 1° amines can be prepared by Gabriel Phthalimide Synthesis.

Reason: Aryl halides undergo nucleophilic substitution with anion formed by phthalimide.


Ethylamine can be prepared by the action of bromine and caustic potash on which compound?


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


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


  1. Phenyl methenamine
  2. N, N - Dimethylaniline
  3. N - Methyl aniline
  4. Benzenamine

Choose the correct order of the basic nature of the above amines.


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


What is the IUPAC name of \[\ce{(CH3)2 - N - CH3}\]?


Which of the following would not be a good choice for reducing nitrobenzene to aniline?


Identify A and B in the following reaction.

\[\ce{C6H5CH2Br ->[Alco.][KCN] A ->[Na/Ethanol][reduction] B}\]


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


Write a short note on Ammonolysis.


Write short note on the following:

Ammonolysis


Write a short note on Ammonolysis.


Write short notes on the following:

Ammonolysis 


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×