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

Preparation of alcohols from alkenes involves the electrophilic attack on alkene carbon atom. Explain its mechanism. - Chemistry

Advertisements
Advertisements

प्रश्न

Preparation of alcohols from alkenes involves the electrophilic attack on alkene carbon atom. Explain its mechanism.

टीपा लिहा
Advertisements

उत्तर

The mechanism of the reaction involves the following three steps:

Step 1: Protonation of alkene to form carbocation by the electrophilic attack of H3O+.

\[\ce{H2O + H+ -> H3O+}\]

Step 2: Nucleophilic attack of water on carbocation.

Step 3: Deprotonation to form an alcohol.

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 11: Alcohols, Phenols and Ethers - Multiple Choice Questions (Type - I) [पृष्ठ १६०]

APPEARS IN

एनसीईआरटी एक्झांप्लर Chemistry [English] Class 12
पाठ 11 Alcohols, Phenols and Ethers
Multiple Choice Questions (Type - I) | Q 43 | पृष्ठ १६०

संबंधित प्रश्‍न

Explain the mechanism of the following reaction:


How do you convert the following :
Phenol to anisole


Write the name of the reagent and the equation for the preparation of the following ether by Williamson’s synthesis:

1-Propoxypropane


Write the name of the reagent and the equation for the preparation of the following ether by Williamson’s synthesis:

Ethoxybenzene


Write the name of the reagent and the equation for the preparation of the following ether by Williamson’s synthesis:

2-Methoxy-2-methylpropane


Explain the following with an example.

Williamson ether synthesis


Williamson's synthesis of preparing dimethyl ether is a/an ____________.


Dehydration of alcohol to ethers is catalysed by:


\[\ce{(CH3)3CONa + CH3CH2Cl ->[-NaCl] (CH3)3COC2H5}\] is called:


Write the mechanism of the following reaction:

\[\ce{2CH3CH2OH ->[H^+][413 K] CH3-CH2-O-CH2-CH3 + H2O}\]


Write the name of the reaction, structure and IUPAC name of the product formed when:

\[\ce{CH3CH2CH(CH3)CH(CH3) ONa}\] reacts with \[\ce{C2H5Br}\]


Write the name of reagent and equation for the preparation of the following ethers by Williamson’s synthesis:

2-Methoxy-2-methylpropane


Write the name of reagent and equation for the preparation of the following ethers by Williamson’s synthesis:

2-Methoxy-2-methylpropane


Write the name of the reagent and equation for the preparation of the following ether by Williamson’s synthesis:

2-Methoxy-2-methylpropane 


Identify the product(s) is/are formed when 1-methoxy propane is heated with excess HI. Name the mechanism involved in the reaction.


Write the names of reagents and equations for the preparation of the following ether by Williamson’s synthesis:

2-Methoxy-2-methylpropane


Short Answer Question.

Identify the product (s) is/are formed when 1 – methoxy propane is heated with excess HI. Name the mechanism involved in the reaction.


Identify the product (s) is/are formed when 1-methoxy propane is heated with excess HI. Name the mechanism involved in the reaction.


Give the structure and IUPAC name of the metamers of 2-methoxy propane.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×