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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

How will you bring about the following conversions? acetone to 2-methylpropan-2-ol

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प्रश्न

How will you bring about the following conversions?

acetone to 2-methylpropan-2-ol

टीपा लिहा
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उत्तर

Grignard reagent, methyl magnesium bromide reacts with acetone to form an adduct which on hydrolysis with dilute acid gives 2-methylpropan-2-ol.

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पाठ 11: Alcohols, Phenols and Ethers - Short Answer Questions (Type-II)

संबंधित प्रश्‍न

Answer in brief.

Explain why p-nitrophenol is a stronger acid than phenol.


Answer in brief.

Give a simple chemical test to distinguish between ethanol and ethyl bromide.


Write IUPAC name of crotonyl alcohol.


What is the action of following reagents on pent-3-enal?

  1. H2/Ni
  2. LiAlH4/H3O+

Write Kolbe’s reaction.


Write the reactions for the preparation of carbolic acid from aniline.


Bromination of phenol, will NOT give:


The CORRECT decreasing order of boiling points for isomeric primary (1°), secondary (2°) and tertiary (3°) alcohols is ____________.


Carbolic acid is oxidised by acidified sodium dichromate to give ______.


+I effect of alkyl groups in alcohols increases the stability of ____________.


Which of the following is INCORRECT regarding phenol?


Identify reagents X, Y and Z.


The number of moles of hydrogen gas formed when 2 moles of 2-methylpropan-2-ol reacts with aluminium is ____________.


What is INCORRECT about the product written in the below given reaction?

\[\ce{R - CH2 - OH ->[PCC] R - COOH}\]


Which of the following conversion explains the acidic nature of alcohols?


Which following reagent is used to obtain alkene from alcohol?


Identify product B in the following conversion?

\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]


Identify the alcohol that reacts immediately with Lucas reagent?


Identify the product obtained when phenol is treated with bromine water?


Which among the following phenolic compound is most acidic in nature?


Name the catalyst used in commercial method of preparation of phenol.


The major product obtained in the following reaction is 


Arrange O - H, C - H and N - H bonds in increasing order of their bond polarity.


Explain the reaction of 1° and 2° alcohol with oxidising agent chromic anhydride (CrO3).


Write the chemical reaction when hot copper is treated with Vapours of 2° (secondary) alcohol.


Write chemical reaction when hot copper is treated with Vapours of 3° (tertiary) alcohol.


Propene can be converted into propan-1-ol by:


The C−O−C angle in ether is about ______.


Which of the following is trihydric phenol?


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