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प्रश्न
How will you bring about the following conversions?
acetone to 2-methylpropan-2-ol
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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.
संबंधित प्रश्न
Answer in one sentence/ word.
Hydroboration-oxidation of propene gives _________.
Answer in one sentence/ word.
Write the name of the electrophile used in Kolbe’s Reaction.
Write two points of difference between the properties of phenol and ethyl alcohol.
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?
- H2/Ni
- LiAlH4/H3O+
Write the reaction involved in the preparation of phenol from benzene sulphonic acid.
Write chemical equation of acetyl chloride with phenol
What is the action of following on phenol at low temperature?
- dil. HNO3
- conc. H2SO4
- Br2/CS2
Write chemical reactions to convert phenol into salicyaldehyde. Write the name of the reaction. What happens when if CCl4 is used instead of CHCl3 in the above reaction.
Phenol reacts with concentrated nitric acid in the presence of cone. H2SO4 to form ____________.
Which of the following compounds does not react with bromine in alkaline medium?
Sodium metal with ethyl alcohol gives __________ gas.
The CORRECT decreasing order of boiling points for isomeric primary (1°), secondary (2°) and tertiary (3°) alcohols is ____________.
\[\ce{CH3 - CH = CH2 ->[HBr][Peroxide] A}\]
Identify A.
Sodium benzene sulphonate reacts with NaOH and then on acidic hydrolysis, it gives __________.
\[\ce{Isopropyl alcohol + acidic K2Cr2O7 -> X}\]
Identify product 'X' in the above reactions.
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 of the following alcohols is least soluble in water?
The number of σ bonds in carbolic acid is ______.
Name the catalyst used in commercial method of preparation of phenol.
Identify the compound amongst the following of which 0.1 M aqueous solution has highest boiling point.
Which of the following compounds has lowest boiling point?
Write the product when 1°, 2° and 3° alcohol vapours are passed over hot copper.
Propene can be converted into propan-1-ol by:
Arrange the following compounds in order of decreasing acidity:
