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Propane nitrile can be prepared by heating ____________ - Chemistry

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प्रश्न

Propane nitrile can be prepared by heating ____________

विकल्प

  • ethyl bromide with alcoholic KCN

  • propyl bromide with alcoholic KCN

  • ethyl bromide with alcoholic AgCN

  • propyl bromide with alcoholic AgCN

MCQ
रिक्त स्थान भरें
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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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Chemical Properties of Halogen Derivatives
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अध्याय 10: Halogen Derivatives - Multiple choice questions

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एससीईआरटी महाराष्ट्र Chemistry [English] 12 Standard HSC
अध्याय 10 Halogen Derivatives
Multiple choice questions | Q 5

संबंधित प्रश्न

from the following pair would undergo SN2 faster from the other?

  1.    

from the following pair would undergo SN2 faster from the other?

a. CH3CH2CH2I      b. CH3CH2CH2Cl


Complete the following reaction giving major products.

\[\begin{array}{cc}\ce{CH3 - CH = CH3 ->[Red P/Br2] A ->[Ag2O/H2O]B}\\|\phantom{.........................}\\
\ce{OH\phantom{.......................}}\end{array}\]


Complete the following reaction giving major product.

\[\begin{array}{cc}\ce{CH3\phantom{................}}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether] A}\\
|\phantom{...................}\\
\ce{CH3\phantom{................}}
\end{array}\]


Name the reagent used to bring about the following conversion.

Bromoethane to ethoxyethane


Name the reagent used to bring about the following conversion.

Chlorobenzene to biphenyl


Give reasons:

Haloarenes are less reactive than haloalkanes.


Convert the following:

Ethanol to propane nitrile


Nucleophilic substitution reaction of 2, 4-dinitrochlorobenzene is faster than p-nitrochlorobenzene. Give reason.


Explain the factors affecting SN1 and SN2 mechanism.


The least reactive towards nucleophilic addition reactions is ____________.


Which of the following is least reactive towards SN1 reactions?


Ethyl bromide undergoes the following reaction:

\[\ce{\underset{Ethyl bromide}{C2H5Br} + \underset{(aq.)}{KOH} ->[\Delta] \underset{Ethyl alcohol}{C2H5OH} + KBr}\]

Which of the following is a WRONG statement?


What type of hybridisation is present in carbocation formed during the alkaline hydrolysis of 1- bromo-1- phenyl ethane?


What is the major product obtained in the sulphonation of chlorobenzene with concentrated sulphuric acid?


Convert the following.

p-Nitrochlorobenzene to p-nitrophenol


The major product formed when 2-bromobutane is treated with alcoholic KOH is ______.


Which among the following statements is not correct about SN2 reaction mechanism?


The compound that reacts the fastest with sodium methoxide is ______.


Complete the following reaction giving major products.

\[\begin{array}{cc}
\ce{CH3}\phantom{.......}\\
|\phantom{.........}\\
\ce{CH3 - c - CH2 - Cl ->[Na/dry ether]}\\
|\phantom{.........}\\
\ce{CH3}\phantom{.......}
\end{array}\]


Complete the following reaction giving a major product.

\[\begin{array}{cc}
\ce{CH3}\phantom{.................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl->[Na/dry ether]A}\\
|\phantom{..................}\\
\ce{CH3}\phantom{................}
\end{array}\]


Observe the following and answer the questions given below:

Name the type of halogen derivative.


Observe the following and answer the question given below:

Can react by SN1 mechanism? Justify your answer.


Complete the following reactions giving major product.

\[\begin{array}{cc}
\ce{CH3}\phantom{................}\\
|\phantom{...................}\\
\ce{CH3 - C - CH2 - Cl ->[Na/dry ether] A}\\
|\phantom{...................}\\
\ce{CH3}\phantom{.................}
\end{array}\]


Complete the reaction:

\[\ce{CH3CH2Cl ->[AgCN][alc.\Delta]}\] ?


Give a reason for the following:

Ethoxy ethane with conc. HI at 373 K gives C2H5OH and CH3I but not CH3OH and C2H5I.


Which of the following pair of compounds on heating gives butanenitrile?


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