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

How will you bring about the following conversion? Propene to propyne

Advertisements
Advertisements

प्रश्न

How will you bring about the following conversion?

Propene to propyne

How will you bring about the following conversion in not more than two steps?

Propene to Propyne

रासायनिक समीकरण/संरचनाएँ
Advertisements

उत्तर

\[\begin{array}{cc}
\ce{\underset{Propene}{CH3CH = CH2} ->[Br2/CCl4] CH3 - CH - CH2 ->[NaNH2/liq. NH3, 196 K][-2HBr] \underset{Propyne}{CH3 - C ≡ CH}}\\
|\phantom{.........}|\phantom{........}\\
\ce{\underset{1-2-Dibromopropane}{Br\phantom{......}Br\phantom{.......}}}\\
\end{array}\]

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Haloalkanes and Haloarenes - Exercises [पृष्ठ १९०]

APPEARS IN

एनसीईआरटी Chemistry Part 1 and 2 [English] Class 12
अध्याय 6 Haloalkanes and Haloarenes
Exercises | Q 6.11 (v) | पृष्ठ १९०
नूतन Chemistry [English] Class 12 ISC
अध्याय 6 Haloalkanes and Haloarenes
LONG ANSWER TYPE QUESTIONS | Q 16. (v) | पृष्ठ ६१५

संबंधित प्रश्न

Why is sulphuric acid not used during the reaction of alcohols with KI?


Draw the structure of the major monohalo product in the following reaction:

\[\ce{CH3CH2Br + NaI ->}\]


Write the equation for the preparation of 1-iodobutane from 1-chlorobutane.


How will you bring about the following conversion?

Propene to 1-nitropropane


Write the structure of the major organic product in the following reaction:

\[\ce{CH3CH2CH2Cl + NaI ->[acetone][heat]}\]


Write the structure of the major organic product in the following reaction:

\[\ce{CH3CH2CH = CH2 + HBr->[peroxide]}\]


Write the structure of the major organic product in the following reaction:

\[\ce{CH3CH = C(CH3)2 + HBr ->}\]


How the following conversion can be carried out?

Propene to propan-1-ol


How the following conversion can be carried out?

Benzyl alcohol to 2-phenylethanoic acid


How the following conversion can be carried out?

tert-Butyl bromide to isobutyl bromide


Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields three isomeric monochlorides.


Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields four isomeric monochlorides.


3-Methyl-pent-2-ene of peroxide forms an addition product. The number of possible stereoisomers for the product is ______.



X and Y will be?


Which of the following alcohols will yield the corresponding alkyl chloride on reaction with concentrated HCl at room temperature?


The reagent used in the conversion of 1-butanol to 1-bromobutane is ______.


How many products (including stereoisomers) are expected from the monochlorination of the following compound?

\[\begin{array}{cc}
\ce{H3C}\phantom{..................................}\\
\backslash\phantom{...........................}\\
\ce{CH - CH2 - CH3}\\
/\phantom{...........................}\\
\ce{H3C}\phantom{...................................}
\end{array}\]


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×