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प्रश्न
Reaction between hot conc. HI and anisole gives ______________
विकल्प
phenol and methyl iodide
iodobenzene and methyl alcohol
iodobenzene and methyl iodide
phenol and methyl alcohol
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उत्तर
Reaction between hot conc. HI and anisole gives phenol and methyl iodide
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संबंधित प्रश्न
Answer in one sentence/ word.
Hydroboration-oxidation of propene gives _________.
Give the reagents and conditions necessary to prepare phenol from Chlorobenzene.
Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of _______________
Arrange the following in decreasing order of acid strength.
CH3OH, CH3–CH2–OH, CH3–CH(OH)–CH3, (CH3)3–C–OH
How will you bring about the following conversions?
acetone to 2-methylpropan-2-ol
What is the action of conc. H2SO4 on carbolic acid at 373 K.
\[\ce{C3H8O ->[KMnO4][(Oxidation)] C3H6O2}\]
The compound C3H8O is a/an ____________.
Which alcohol is difficult to oxidise?
Which of the following reagents are required in the conversion of phenol to salicylic acid?
Which of the following compounds is obtained, when phenol react with bromine water?
Sodium metal with ethyl alcohol gives __________ gas.
Identify 'A' and 'B' in the following series of reactions.
Carbolic acid is oxidised by acidified sodium dichromate to give ______.
____________ will NOT undergo acetylation.
Sodium benzene sulphonate reacts with NaOH and then on acidic hydrolysis, it gives __________.
Which of the following alcohols has tertiary allylic carbon?
Identify the product B in following conversion.
\[\ce{Chlorobenzene + H2O ->[Cu, 673 K][Pressure] A ->[conc. H2SO4][373 K] B}\]
Identify the reagent A used in the following conversion.
\[\ce{Phenol ->[A] Benzoquinone}\]
Identify product B in the following conversion?
\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]
Which of the following alcohols is NOT prepared by reduction of carbonyl compounds?
Identify the product X in the following reaction.
\[\ce{Phenol ->[Na2Cr2O7][H2SO4] X}\]
The compound which reacts fastest with Lucas reagent at room temperature is ______.
The acid, which contains both -OH and -COOR groups is ______.
Product (B) in this reaction is:
Which among the following is not the method of preparation of phenol?
Write the product when 1°, 2° and 3° alcohol vapours are passed over hot copper.
Arrange the following compounds in order of decreasing acidity:
The C−O−C angle in ether is about ______.
Which of the following is trihydric phenol?
