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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
Give the reagents and conditions necessary to prepare phenol from Chlorobenzene.
An ether (A), C5H12O, when heated with excess of hot HI produce two alkyl halides which on hydrolysis form compound (B) and (C), oxidation of (B) gave and acid (D), whereas oxidation of (C) gave a ketone (E). Deduce the structural formula of (A), (B), (C), (D), and (E).
Reaction between Grignard reagent and aldehyde other than formaldehyde leads to formation of _______________
Oxidation of ethyl alcohol using K2Cr2O7/dil H2SO4 leads to formation of _______________
Write the reaction to get aspirin from salicylic acid.
With the help of chemical equations show what happens when cumene hydroperoxide is treated with dil. acid.
What is the action of following reagents on pent-3-enal?
- H2/Ni
- LiAlH4/H3O+
Name the reagents used to convert phenol into
- picric acid
- p-benzoquinone
How will you bring about the following conversions?
acetone to 2-methylpropan-2-ol
Which of the following compounds does not react with bromine in alkaline medium?
In phenols, −OH group is attached to ___________ hybridised carbon.
The secondary alcohol is ____________.
Propane when treated with cold cone. H2SO4 forms a compound which on heating with water gives ______.
Identify 'A' and 'B' in the following series of reactions.
The product 'C' in the following reaction is:
\[\ce{CH3CH2Br ->[alc. KCN] {'A'} ->[H3O^+][\Delta] {'B'} ->[i. LiAlH4][ii. H3O^+] {'C'}}\]
Carbolic acid is oxidised by acidified sodium dichromate to give ______.
+I effect of alkyl groups in alcohols increases the stability of ____________.
Sodium benzene sulphonate reacts with NaOH and then on acidic hydrolysis, it gives __________.
The most resistant alcohol towards oxidation reaction is:
Which of the following reagents is used to convert phenol to benzene?
Which isomer of C4H10O is optically active?
Identify product B in the following conversion?
\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]
Identify the product obtained when phenol is treated with bromine water?
Identify the compound having highest boiling point from the following?
Identify the role of PDC from the following.
Identify the product X in the following reaction.
\[\ce{Phenol ->[Na2Cr2O7][H2SO4] X}\]
Which among the following phenolic compound is most acidic in nature?
What is the product obtained in Reimer - Tiemann reaction?
Write the chemical reaction when hot copper is treated with Vapours of 1° (primary) alcohol.
Arrange the following compounds in order of decreasing acidity:
