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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: CH3CH2Br KCN-> A LiAlH4->B HNO2->0°C C

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प्रश्न

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

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

रासायनिक समीकरण/संरचनाएँ
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उत्तर

\[\ce{\underset{Bromoethane}{CH3CH2Br} ->[KCN] \underset{\underset{(A)}{{Cyanoethane}}}{CH3CH2CN} ->[LiAlH4] \underset{\underset{(B)}{Propan-1-amine}}{CH3CH2CH2NH2} ->[HNO2][0^\circ C] \underset{\underset{(C)}{Propan-1-ol}}{CH3CH2CH2OH}}\]

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अध्याय 9: Amines - Exercises [पृष्ठ २७९]

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

संबंधित प्रश्न

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


Accomplish the following conversion:

Benzamide to toluene


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Write the reaction of aliphatic primary amine with nitrous acid.


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


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\[\ce{Aniline ->[(CH3CO)2O][Pyridine] A}\]


Which of the following amines exhibits maximum degree of intermolecular hydrogen bonding?


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


Which nitrogen containing compound amongst the following would undergo Mendius reduction to furnish primary amine \[\ce{(R - NH2)}\]?


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


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


Quaternary ammonium salt is formed:


The best reagent for converting, 2-phenylpropanamide into 1- phenylethanamine 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) \[\ce{LiAlH4}\]


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


How will you carry out the following conversion?


Match the reactions given in Column I with the statements given in Column II.

  Column I   Column II
(i) Ammonolysis (a) Amine with lesser number of carbon atoms
(ii) Gabriel phthalimide synthesis (b) Detection test for primary amines.
(iii) Hoffmann Bromamide reaction (c) Reaction of phthalimide with \[\ce{KOH}\] and \[\ce{R-X}\]
(iv) Carbylamine reaction (d) Reaction of alkylhalides with \[\ce{NH3}\]

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


Which of the following CANNOT be prepared by ammonolysis of alkyl halide?


Write a short note on the following:

Ammonolysis


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