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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

The following will react faster by SN1 mechanism

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प्रश्न

The following will react faster by SN1 mechanism

पर्याय

  • 1-chloropropane

  • 2-chloropropane

  • 2-chloro-2-methylpropane

  • chloroethane

MCQ
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उत्तर

2-chloro-2-methylpropane

Explanation:

Reactivity order of alkyl halides towards SN1 mechanism: 3° > 2° > 1° > CH3X

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पाठ 10: Halogen Derivatives - Multiple choice questions

संबंधित प्रश्‍न

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

  1.    

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.

1-Chloropropane to 1-nitropropane


Convert the following:

tert-Butyl bromide to isobutyl bromide


Complete the following reaction sequence by writing the structural formulae of the organic compound 'A', 'B' and 'C'.

\[\ce{2-Bromobutane->[Alc.KOH]A->[][Br2]B->[][NaNH2]C}\]


Observe the following and answer the question given below.

Name the type of halogen derivative.


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


Write the correct order of increasing ease of dehydrohalogenation.

\[\ce{\underset{\text{(I)}}{CH3 - CH2 - CH2 - Cl}}\]

\[\ce{\underset{\text{(II)}}{CH3 - CH(Cl) - CH3}}\]

\[\begin{array}{cc}
\ce{CH3}\\
|\\
\ce{CH3-C-Cl}\phantom{...}\\
|\\
\ce{CH3}\\
\ce{(III)}
\end{array}\]


In alkaline hydrolysis of tertiary butyl bromide, ____________.


Which of the following is least reactive towards nucleophilic addition?


The following mechanism has been proposed for the reaction of NO2 with F2 to form NO2F:

\[\ce{NO2_{(g)} + F2_{(g)} -> NO2F_{(g)} + F_{(g)} (slow)}\]

\[\ce{F_{(g)} + NO2_{(g)} -> NO2F_{(g)} (fast)}\]

The order of the reaction with respect to NO2(g)


Which one is most reactive towards nucleophilic addition reaction?


Identify 'B' in the following reaction.

\[\ce{2-Bromobutane ->[KOH alc.][\Delta] A ->[HI] B}\]


The order of reactivity of the given haloalkanes towards nucleophiles is:


With which halogen the reactions, of alkanes are explosive?


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


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 question given below:

Can react by SN1 mechanism? Justify your answer.


Discuss β - elimination reaction.


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:

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


Complete the following reaction, giving a major product.

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


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.

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


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