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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

What is the product when CX6HX5CHX2NHX2 reacts with HNOX2?

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प्रश्न

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

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उत्तर

When Benzyl amine is treated with nitrous acid, firstly BDC is formed which is unstable and decomposes to Benzyl alcohol.

\[\ce{\underset{Benzyl amine}{C6H5CH2NH2} + HONO ->[HCl] C6\underset{Benzyl alcohol}{H5CH2OH} + N2 + H2O}\]

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पाठ 13: Amines - Multiple Choice Questions (Type - I) [पृष्ठ १८८]

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एनसीईआरटी एक्झांप्लर Chemistry Exemplar [English] Class 12
पाठ 13 Amines
Multiple Choice Questions (Type - I) | Q 40 | पृष्ठ १८८

संबंधित प्रश्‍न

How are propan-1-amine and propan-2-amine prepared from oxime?


Write a short note on the following:

Hoffmann’s bromamide reaction


Accomplish the following conversion:

Benzyl chloride to 2-phenylethanamine


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


Write reactions to bring about the following conversions.

Acetamide to methylamine


Explain Hoffmann’s exhaustive alkylation with suitable reactions.


Identify compound 'B' in following series of reactions?

\[\ce{Acetonitrile ->[Na/alcohol] A ->[NaNO2/dil.HCI] B}\]


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

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


For producing amines, the reaction of nitro compounds with iron scrap is preferred because:


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


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


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) \[\ce{LiAlH4}\]


Which of the following amines can be prepared by Gabriel synthesis.

(i) Isobutyl amine

(ii) 2-Phenylethylamine

(iii) N-methylbenzylamine

(iv) Aniline


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.\[\ce{H2 SO4}\].


How will you carry out the following conversions?


Account for the following:

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


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


Write a short note on Ammonolysis.


Write short notes on the following:

Ammonolysis 


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