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प्रश्न
Reaction between hot conc. HI and anisole gives ______________
पर्याय
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 brief.
Explain why phenol is more acidic than ethyl alcohol.
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.
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 _______________
When vapours of tert.butyl alcohol are passed over hot copper, it gives _____________
Arrange the following in decreasing order of acid strength.
CH3OH, CH3–CH2–OH, CH3–CH(OH)–CH3, (CH3)3–C–OH
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+
How will you bring about the following conversions?
2-methyl propan-2-ol to 2-methylpropene
Write the reactions for the preparation of carbolic acid from aniline.
The CORRECT decreasing order of boiling points for isomeric primary (1°), secondary (2°) and tertiary (3°) alcohols is ____________.
Cumene is used in the commercial method for the manufacture of ____________.
Identify 'A' and 'B' in the following series of reactions.
Phenoxide ion is more stable than phenol due to the ____________.
Sodium benzene sulphonate reacts with NaOH and then on acidic hydrolysis, it gives __________.
In Raschig's method for synthesis of phenol, the reactants used are ____________.
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 isomer of C4H10O is optically active?
Name the catalyst used in commercial method of preparation of phenol.
What is the product formed when aniline is treated with \[\ce{NaNO2 + HCl}\] previous to hydrolysis?
Arrange the following compounds in an increasing order of their solubility in water:
Write the chemical reaction when hot copper is treated with Vapours of 2° (secondary) alcohol.
Arrange the following compounds in order of decreasing acidity:
The structure of A in the given reaction is:
