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प्रश्न
Propane nitrile can be prepared by heating ____________
पर्याय
ethyl bromide with alcoholic KCN
propyl bromide with alcoholic KCN
ethyl bromide with alcoholic AgCN
propyl bromide with alcoholic AgCN
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उत्तर
ethyl bromide with alcoholic KCN
Explanation:
\[\ce{\underset{\text{Ethyl bromide}}{CH3CH2Br}->[Alc.KCN,\Delta][-H2O]\underset{\text{Propane nitrile}}{CH3CH2CN}}\]
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संबंधित प्रश्न
from the following pair would undergo SN2 faster from the other?
a. CH3CH2CH2I b. CH3CH2CH2Cl
Name the reagent used to bring about the following conversion.
Bromoethane to ethoxyethane
Observe the following and answer the question given below.
Comment on the bond length of C–X bond in it.
Observe the following and answer the question given below.
Can it react by SN1 mechanism? Justify your answer.
Major product of the following reaction is _______________
\[\ce{CH3-CH2-Mg-Br + NH3 ->?}\]
Explain primary benzylic halide shows higher reactivity by SN1 mechanism than other primary alkyl halide.
Explain the factors affecting SN1 and SN2 mechanism.
Which of the following is a primary halide?
Dehydrohalogenation of an alkyl halide is ____________.
Nitroalkanes are obtained in laboratory from primary or secondary alkyl halides by the action of ______.
\[\ce{C6H5CH2Cl + KCN(alc) -> X + Y}\]
Compounds X and Y are ____________.
Identify major product 'B' in the following reaction.
\[\ce{But-1-ene ->[HBr][Peroxide] A ->[AgCN][\Delta] B}\]
The major product formed when 2-bromobutane is treated with alcoholic KOH is ______.
The order of reactivity of the given haloalkanes towards nucleophiles is:
Explain the dehydrohalogenation reaction of 2-chlorobutane.
Observe the following and answer the questions given below:
Name the type of halogen derivative.
Observe the following and answer the question given below:
Comment on the bond length of C-X bond in it.
Observe the following and answer the question given below:
Can react by SN1 mechanism? Justify your answer.
Complete the following reaction sequences by writing the structural formulae of the organic compounds 'A', 'B' and 'C'.
\[\ce{2-Bromobutan ->[alc. KOH] A ->[][Br2] B ->[][NANH2] C}\]
Complete the following reactions giving major product.
\[\begin{array}{cc}
\ce{CH3}\phantom{................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether] A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{.................}
\end{array}\]
Define and explain the SN1 mechanism with a suitable example.
Complete the reaction:
\[\ce{CH3CH2Cl ->[AgCN][alc.\Delta]}\] ?
Complete the following reaction giving major product.
\[\begin{array}{cc}
\ce{CH3}\phantom{................}\\
|\phantom{..................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether]A}\\
|\phantom{..................}\\
\ce{CH3}\phantom{................}
\end{array}\]
Complete the following reaction giving major product.
\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether] A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{.................}
\end{array}\]
Give a reason for the following:
Ethoxy ethane with conc. HI at 373 K gives C2H5OH and CH3I but not CH3OH and C2H5I.
Complete the following reaction giving major product.
\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether] A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{.................}\\
\end{array}\]
