Advertisements
Advertisements
Questions
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
Advertisements
Solution
\[\begin{array}{cc}
\ce{\underset{Propene}{CH3CH = CH2} ->[Br2/CCl4] CH3 - CH - CH2 ->[NaNH2/liq. NH3, 196 K][-2HBr] \underset{Propyne}{CH3 - C ≡ CH}}\\
|\phantom{.........}|\phantom{........}\\
\ce{\underset{1-2-Dibromopropane}{Br\phantom{......}Br\phantom{.......}}}\\
\end{array}\]
APPEARS IN
RELATED QUESTIONS
Why is sulphuric acid not used during the reaction of alcohols with KI?
Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields a single monochloride.
A hydrocarbon C5H10 does not react with chlorine in dark but gives a single monochloro compound C5H9Cl in bright sunlight. Identify the hydrocarbon.
Write the equation for the preparation of 1-iodobutane from 1-butanol.
Write the equation for the preparation of 1-iodobutane from 1-chlorobutane.
How will you bring about the following conversion?
Ethanol to ethyl fluoride
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:
\[\ce{CH3CH = C(CH3)2 + HBr ->}\]
How the following conversion can be carried out?
2-Methyl-1-propene to 2-chloro-2-methylpropane
How the following conversion can be carried out?
But-1-ene to n-butyliodide
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.
Which is the incorrect option?
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?
Predict the major product ‘P’ in the following sequence of reactions:
How many products (including stereoisomers) are expected from the monochlorination of the following compound?
\[\begin{array}{cc}
\ce{H3C}\phantom{..................................}\\
\backslash\phantom{...........................}\\
\ce{CH - CH2 - CH3}\\
/\phantom{...........................}\\
\ce{H3C}\phantom{...................................}
\end{array}\]
