Advertisements
Advertisements
प्रश्न
Resorcinol on distillation with zinc dust gives _________.
विकल्प
Cyclohexane
Benzene
Toluene
Benzene-1, 3-diol
Advertisements
उत्तर
Resorcinol on distillation with zinc dust gives benzene.
Explanation:
Distillation of phenol with zinc dust gives benzene.
\[\ce{\underset{Phenol}{C6H5 - OH} + Zn ->[distillation] \underset{Benzene}{C6H6} + ZnO}\]
APPEARS IN
संबंधित प्रश्न
Write the IUPAC name of the following compound:
Write the IUPAC name of the following compound:
\[\begin{array}{cc}
\ce{CH3 - O - CH2 - CH - CH3}\\
\phantom{................}|\\
\phantom{....................}\ce{CH3}
\end{array}\]
Write the IUPAC name of the following compound:
C6H5 – O – C2H5
- Draw the structures of all isomeric alcohols of molecular formula C5H12O and give their IUPAC names.
- Classify the isomers of alcohols in the above question as primary, secondary and tertiary alcohols.
Give the IUPAC name of the following ether:
How is phenol converted into the following?
benzoquinone
Write IUPAC name of the following compound (CH3)2 N − CH2CH3
Write structural formulae for 3-Methoxyhexane
Write a structural formula for methyl vinyl ether.
Cresol has ____________.
Which of the following compounds is oxidised to prepare methyl ethyl ketone?
n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent?
IUPAC name of m-cresol is ____________.
Ethylene reacts with Baeyer’s reagent to give ______.
The heating of phenyl methyl ether with HI produces:
Which of the following gives a positive iodoform test?
The correct acidic strength order of the following is:
(I)
(II)
(III)
Give IUPAC name of the compound given below.
\[\begin{array}{cc}
\phantom{}\ce{CH3 - CH - CH2 - CH2 - CH - CH3}\phantom{.}\\
\phantom{.........}|\phantom{...................}|\phantom{...........}\\
\phantom{..}\ce{Cl}\phantom{.................}\ce{OH}\phantom{..}
\end{array}\]
Which of the following compounds will react with sodium hydroxide solution in water?
Which of the following reagents can be used to oxidise primary alcohols to aldehydes?
(i) \[\ce{CrO3}\] in anhydrous medium.
(ii) \[\ce{KMnO4}\] in acidic medium.
(iii) Pyridinium chlorochromate.
(iv) Heat in the presence of Cu at 573 K.
What happens when benzene diazonium chloride is heated with water?
Write steps to carry out the conversion of phenol to aspirin.
Assertion: Addition reaction of water to but-1-ene in acidic medium yields butan-1-ol.
Reason: Addition of water in acidic medium proceeds through the formation of primary carbocation.
Assertion: Phenol forms 2, 4, 6 – tribromophenol on treatment with \[\ce{Br2}\] in carbon disulphide at 273 K.
Reason: Bromine polarises in carbon disulphide.
Write complete reaction for the bromination of phenol in aqueous and non-aqueous medium.
Explain why Lewis acid is not required in bromination of phenol?
Convert the following:
Ethyl alcohol into ethyl acetate.
Write a chemical reaction for the following conversion:
Acetic acid into ethyl alcohol.
Identify A and B in the following:
Write IUPAC name of the following compound:
\[\begin{array}{cc}
\phantom{................}\ce{CH3}\\
\phantom{.............}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{......}|\phantom{......}|\\
\phantom{...}\ce{CH3}\phantom{..}\ce{OH}\phantom{...}\ce{CH3}
\end{array}\]
