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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Give reason. Though alkyl halides are moderately polar, they are insoluble in water. - Chemistry

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प्रश्न

Give reason. Though alkyl halides are moderately polar, they are insoluble in water.

टीपा लिहा
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उत्तर

  1. Alkyl halides cannot form hydrogen bonds with water.
  2. In addition to this, the attraction between alkyl halide molecules is stronger than the attraction between alkyl halide and water.
  3. Hence, alkyl halides though moderately polar are insoluble with water.
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पाठ 10: Halogen Derivatives - Short Answer Questions (Type-Ⅰ)

संबंधित प्रश्‍न

Write the structure and IUPAC name of the major product in the following reaction.

\[\begin{array}{cc}
\ce{CH3 - CH - CH2Cl + NaI ->[Acetone]}\\
|\phantom{..................}\\
\ce{CH3\phantom{...............}}
\end{array}\]


Write the structure and IUPAC name of the major product in the following reaction.

\[\ce{CH3 - CH2Br + SbF3 ->}\]


Write the structure and IUPAC name of the major product in the following reaction.


Give reason:

Alkyl halides are generally not prepared by free radical halogenation of alkanes.


Aromatic electrophilic substitution with iodine can be carried out using _____________


Name the reagent used to convert alkyl halide to ester.


Predict all the alkenes that would be formed by dehydrohalogenation of the following alkyl halide.

  1. 2-chloro-2-methylbutane
  2. 3-bromo-2,2,3-trimethylpentane

Which of the following reaction proves the chlorinating property of phosphorus pentachloride?


Which of the following pairs of aryl halides cannot be prepared directly by electrophilic substitution?


Which among the following methods is not suitable for the preparation of alkyl chlorides?


Alkyl fluorides are prepared by heating alkyl bromides or chlorides in the presence of metallic fluorides. The reaction is known as ____________ reaction.


Conversion of an alcohol into alkyl chloride by reacting with thionyl chloride is done in a medium of ____________.


Amongst the following, HBr reacts fastest with


Which reaction is useful in exchange of halogen in alkyl chloride by iodide?


The following reaction is known as:

\[\ce{R - Cl + NaI ->[acetone] R - I + NaCl ↓}\]


What is the relative rate of SN2 reaction for (CH3)3C - Br?


Identify 'A' in the following reaction: \[\ce{C2H5OH + HCl ->[A] C2H5Cl + H2O}\]


An alkyl iodide on refluxing with aqueous KOH solution gave isopropyl alcohol. The structure of alkyl iodide could be:


Alkyl chloride when treated with sodium iodide in presence of dry acetone forms alkyl iodide. What is the name of this reaction?


Choose the false statement from the following.


Explain Swartz reaction.


How is alkyl halide converted into alcohol by using Moist silver oxide?


Explain the preparation of alkyl halide using thionyl chloride (SOCl2).


What is the advantage of alkyl halide using the thionyl chloride (SOCl2 ) method?


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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