हिंदी
कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

The process of converting alkyl halides into alcohols involves ______. - Chemistry

Advertisements
Advertisements

प्रश्न

The process of converting alkyl halides into alcohols involves ______.

विकल्प

  • addition reaction

  • substitution reaction

  • dehydrohalogenation reaction

  • rearrangement reaction

MCQ
रिक्त स्थान भरें
Advertisements

उत्तर

The process of converting alkyl halides into alcohols involves substitution reaction.

Explanation:

Conversion of alkyl halides into alcohols involves substitution reaction.

\[\ce{RX ->[NaOH] ROH + NaX}\]

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 11: Alcohols, Phenols and Ethers - Multiple Choice Questions (Type - I) [पृष्ठ १५५]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
अध्याय 11 Alcohols, Phenols and Ethers
Multiple Choice Questions (Type - I) | Q 5 | पृष्ठ १५५

संबंधित प्रश्न

Write the mechanism of the following reaction:


Write the mechanism of the following reaction :


Write the mechanism of the following reaction :


Ortho and para nitrophenols are more acidic than phenol. Draw the resonance structures of the corresponding phenoxide ions.


Write the mechanism of acid-catalysed dehydration of ethanol to yield ethene.


Name the reagent used in the following reaction:

Oxidation of a primary alcohol to carboxylic acid.


Name the reagent used in the following reaction:

Oxidation of a primary alcohol to aldehyde.


Name the reagent used in the following reaction:

Benzyl alcohol to benzoic acid.


When 3-methylbutan-2-ol is treated with HBr, the following reaction takes place:

\[\begin{array}{cc}
\phantom{.......................}\ce{Br}\\
\phantom{......................}|\\
\ce{CH3 - CH - CH - CH3 ->[HBr] CH3 - C - CH2 - CH3}\\
\phantom{.}|\phantom{......}|\phantom{......................}|\phantom{........}\\
\phantom{}\ce{CH3}\phantom{...}\ce{OH}\phantom{...................}\ce{CH3}\phantom{.....}
\end{array}\]

Give a mechanism for this reaction.

(Hint: The secondary carbocation formed in step II rearranges to a more

stable tertiary carbocation by a hydride ion shift from 3rd carbon atom.)


By which of the following methods alcohol can be prepared in excellent yield?


Which one of the following on oxidation gives a ketone?


During dehydration of alcohols to alkenes by heating with cone. H2SO4 the initial step is ____________.


Identify the secondary alcohols from the following set:

  1. \[\ce{CH3CH2CH(OH)CH3}\]
  2. \[\ce{(C2H5)3COH}\]



Why is the C – O – H bond angle in alcohols slightly less than the tetrahedral angle whereas the C – O – C bond angle in ether is slightly greater?


Assertion: Bond angle in ethers is slightly less than the tetrahedral angle.

Reason: There is a repulsion between the two bulky (–R) groups.


Write the mechanism of acid dehydration of ethanol to yield ethene.


Write the mechanism of acid dehydration of ethanol to yield ethene.


Write the mechanism of acid dehydration of ethanol to yield ethene.


Write the mechanism of acid-catalysed dehydration of ethanol to yield ethene.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×