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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
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उत्तर
\[\begin{array}{cc}
\ce{\underset{Propene}{CH3CH = CH2} ->[Br2/CCl4] CH3 - CH - CH2 ->[NaNH2/liq. NH3, 196 K][-2HBr] \underset{Propyne}{CH3 - C ≡ CH}}\\
\phantom{.}|\phantom{......}|\phantom{.......}\\
\ce{\underset{1-2-Dibromopropane}{Br\phantom{....}Br\phantom{.....}}}
\end{array}\]
संबंधित प्रश्न
Among the isomeric alkanes of molecular formula C5H12, identify the one that on photochemical chlorination yields a single monochloride.
Draw the structure of major monohalo products in the following reaction:
\[\ce{CH3CH2Br + NaI ->}\]
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 but-1-yne
How will you bring about the following conversion?
Propene to 1-nitropropane
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?
Benzyl alcohol to 2-phenylethanoic acid
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 four isomeric monochlorides.
