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

Give the structures of A, B and C in the following reaction. {C6H5NO2 ->[Fe/HCl] A ->[HNO2][273 K] B ->[C6H5OH] C}

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प्रश्न

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

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

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उत्तर

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पाठ 9: Amines - Exercises [पृष्ठ २७९]

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एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
पाठ 9 Amines
Exercises | Q 9.9 (vi) | पृष्ठ २७९

संबंधित प्रश्‍न

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


An aromatic compound 'A' of molecular formula C7H7ON undergoes a series of reactions as shown below. Write the structures of A, B, C, D and E in the following reactions :


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

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


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

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


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


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


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


Explain the following reaction with a suitable example.

Hofmann elimination reaction


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


Given below are two statements labelled as Assertion (A) and Reason (R).

Assertion (A): Alkyl halides are insoluble in water.

Reason (R): Alkyl halides have halogen attached to sp3 hybrid carbon.

Select the most appropriate answer from the options given below:


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


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


Identify A and B in the following reaction.


The Gabriels' phthalimide synthesis is used in the synthesis of


Which of the following reaction DOES NOT involve Hoffmann bromamide degradation?


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


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 the following:

Ammonolysis


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