Advertisements
Advertisements
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
उत्तर
Reaction between hot conc. HI and anisole gives phenol and methyl iodide
APPEARS IN
संबंधित प्रश्न
Answer in one sentence/ word.
Write the IUPAC name of alcohol having molecular formula C4H10O which is resistant towards oxidation.
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.
What is the action of following reagents on pent-3-enal?
- H2/Ni
- LiAlH4/H3O+
What is the action of following on phenol at low temperature?
- dil. HNO3
- conc. H2SO4
- Br2/CS2
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.
An organic compound gives hydrogen on reaction with sodium metal. It forms an aldehyde with molecular formula C2H4O on oxidation with pyridinium chlorochromate. Give the chemical equations in support of these observations.
\[\ce{C3H8O ->[KMnO4][(Oxidation)] C3H6O2}\]
The compound C3H8O is a/an ____________.
____________ is used for silvering mirrors.
Which of the following compounds is obtained, when phenol react with bromine water?
Bromination of phenol, will NOT give:
Which of following elements does not react with hot concentrated sulphuric acid?
+I effect of alkyl groups in alcohols increases the stability of ____________.
Identify reagents X, Y and Z.
Which of the following reagents is used to convert phenol to benzene?
\[\ce{Isopropyl alcohol + acidic K2Cr2O7 -> X}\]
Identify product 'X' in the above reactions.
(I)
(II) \[\ce{P + Zn ->[\Delta] Q}\]
(III) \[\ce{P ->[Na2Cr2O7][H2SO4] R}\]
Q and R are respectively:
Which of the following conversion explains the acidic nature of alcohols?
The number of σ bonds in carbolic acid is ______.
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 role of PDC from the following.
Which among the following phenolic compound is most acidic in nature?
Name the catalyst used in commercial method of preparation of phenol.
Which among the following is not the method of preparation of phenol?
What is the product obtained in Reimer - Tiemann reaction?
Write the chemical reaction when hot copper is treated with Vapours of 1° (primary) alcohol.
