हिंदी
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 - Chemistry

Advertisements
Advertisements

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
Advertisements

उत्तर

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

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 9: Amines - Exercises [पृष्ठ २७९]

APPEARS IN

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

संबंधित प्रश्न

How is ethyl amine prepared from methyl iodide?


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


Write a short note on the following:

Hoffmann’s bromamide reaction


Identify the major product (B).


The reduction of alkyl cyanide with sodium and ethanol to give primary amines is, ____________.


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

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


Identify the INCORRECT statement regarding Hofmann bromamide reaction.


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


The best reagent for converting 2–phenylpropanamide into 2-phenylpropanamine is ______.


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


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?


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

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

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

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

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


Suggest a route by which the following conversion can be accomplished.


Assertion: Only a small amount of \[\ce{HCl}\] is required in the reduction of nitro compounds with iron scrap and \[\ce{HCl}\] in the presence of steam.

Reason: \[\ce{FeCl2}\] formed gets hydrolysed to release \[\ce{HCl}\] during the reaction.


Describe Gabriel's phthalimide synthesis. (Give reaction)


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?


Write short note on the following:

Ammonolysis


Write a short note on Ammonolysis.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×