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

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

Accomplish the following conversion:

Benzyl chloride to 2-phenylethanamine


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

\[\ce{CH3CH2I ->[NaCN] A ->[OH-][Partial hydrolysis] B ->[NaOH + Br2] C}\]


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

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


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


Answer in one sentence.

Which amide does produce ethanamine by Hofmann bromamide degradation reaction?


Explain Hoffmann’s exhaustive alkylation with suitable reactions.


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?


Which of the following amines cannot be prepared by Gabriel phthalimide synthesis?


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


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


Reduction of nitrobenzene by which of the following reagent gives aniline?

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

(ii) \[\ce{Fe/HCl}\]

(iii) \[\ce{H2 - Pd}\]

(iv) \[\ce{Sn/NH4OH}\]


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


Write following conversions:

nitrobenzene `->` acetanilide


How will you carry out the following conversion?


Assertion: Hoffmann’s bromamide reaction is given by primary amines.

Reason: Primary amines are more basic than secondary amines.


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 ______.


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


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×