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प्रश्न
Identify 'A' and 'B' in the following reaction and rewrite the complete reaction :
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उत्तर
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संबंधित प्रश्न
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 :
Give the structure of A, B and C in the following reaction:
\[\ce{C6H5N2Cl ->[CuCN] A ->[H2O/H+] B ->[NH3][\Delta] C}\]
Give the structure of A, B and C in the following reaction:
\[\ce{CH3CH2Br ->[KCN] A ->[LiAlH4] B ->[HNO2][0^\circ C] C}\]
Give a plausible explanation for the following:
Why are amines less acidic than alcohols of comparable molecular masses?
Give the structures of A, B and C in 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 in one sentence.
Which amide does produce ethanamine by Hofmann bromamide degradation reaction?
Answer in one sentence.
Predict the product of the following reaction.
\[\ce{Nitrobenzene ->[Sn/conc.HCl]?}\]
Answer the following
Explain Gabriel phthalimide synthesis.
Mendius reaction is used to convert _____________
Write reactions for the preparation of ethanamine using Gabriel phthalimide synthesis.
Why cannot aniline be prepared by Gabriel phthalimide synthesis?
Alkyl cyanides on reduction by sodium and ethanol give primary amines. This reaction is called as ____________.
Identify the product obtained, when benzamide is treated with bromine and aqueous sodium hydroxide.
Identify the product obtained when benzyl chloride undergoes ammonolysis in presence of excess ammonia followed by the reaction with two moles of methyl iodide.
What product is formed when \[\ce{R - C ≡ N}\] is hydrolysed?
Which nitrogen containing compound amongst the following would undergo Mendius reduction to furnish primary amine \[\ce{(R - NH2)}\]?
Which of the following reagents is used in Mendius reduction reaction of alkyl cyanide?
Identify product B in the following reaction.
\[\ce{Aniline ->[NaNO2][HCl] A ->[KI] B}\]
Which of the following does NOT give carbylamine test?
Nitro compounds are reduced by iron scrap and hydrochloric acid to yield one of the following compounds:
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?
Amongst the given set of reactants, the most appropriate for preparing 2° amine 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 ______.
Which of the following compounds is the weakest Brönsted base?
Which of the following methods of preparation of amines will give same number of carbon atoms in the chain of amines as in the reactant?
What is the product when \[\ce{C6H5CH2NH2}\] reacts with \[\ce{HNO2}\]?
What is the best reagent to convert nitrile to primary amine?
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 bring out the following conversion?
How will you carry out the following conversion?
How will you carry out the following conversions?
Acetamide and ethyl amide can be distinguished by reacting with.
C6H5CONHCH3 can be converted into C6H5CH2NHCH3 by:-
Which of the following CANNOT be prepared by ammonolysis of alkyl halide?
Which of the following reaction DOES NOT involve Hoffmann bromamide degradation?
The amine 'A' when treated with nitrous acid gives yellow oily substance. The amine A is ______.
Which of the following statement(s) is/are incorrect in case of Hofmann bromamide degradation?
Identify the product ‘C’ in the following reaction.
\[\ce{Aniline ->[(CH3CH)2O][Pyridine] A ->[Br2][CH3COOH] B ->[H^+ or OH^-] C}\]
Write the name of the product formed by the action of LiAlH4/ether on acetamide.
Which of the following would not be a good choice for reducing nitrobenzene to aniline?
Amides can be converted into amines by the reaction named ______.
Write short note on the following:
Ammonolysis
Identify A and B in the following reaction.
\[\ce{C6H5CH2Br ->[Alco.][KCN] A ->[Na/Ethanol][reduction] B}\]
Write a short note on the following:
Ammonolysis
Write a short note on Ammonolysis.
Write short note on the following:
Ammonolysis
