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Resorcinol on distillation with zinc dust gives _________. - Chemistry

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प्रश्न

Resorcinol on distillation with zinc dust gives _________.

पर्याय

  • Cyclohexane

  • Benzene

  • Toluene

  • Benzene-1, 3-diol

MCQ
रिकाम्या जागा भरा
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उत्तर

Resorcinol on distillation with zinc dust gives benzene.

Explanation:

Distillation of phenol with zinc dust gives benzene.

\[\ce{\underset{Phenol}{C6H5 - OH} + Zn ->[distillation] \underset{Benzene}{C6H6} + ZnO}\]

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पाठ 11: Alcohols, Phenols and Ethers - Exercises [पृष्ठ २५२]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 11 Alcohols, Phenols and Ethers
Exercises | Q 1.05 | पृष्ठ २५२

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

What is metamerism? 


Write the IUPAC name of the given compound:


Name the following compound according to IUPAC system.

\[\begin{array}{cc}
\phantom{............}\ce{CH2OH}\\
\phantom{......}|\\
\ce{CH3 - CH2 - CH - CH - CH - CH3}\\
\phantom{......}|\phantom{............}|\phantom{.}\\
\phantom{........}\ce{CH2Cl}\phantom{......}\ce{CH3}\phantom{}
\end{array}\]


Name the following compound according to IUPAC system.


Name the following compound according to IUPAC system.

\[\begin{array}{cc}
\ce{H2C = CH - CH - CH2 - CH2 - CH3}\\
|\phantom{..........}\\
\ce{OH}\phantom{........}
\end{array}\]


Name the following compound according to IUPAC system.

\[\begin{array}{cc}
\ce{CH3 - C = C - CH2OH}\\
\phantom{}|\phantom{....}|\phantom{....}\\
\phantom{}\ce{CH3}\phantom{.}\ce{Br}\phantom{...}
\end{array}\]


Write IUPAC name of the following compound:

\[\begin{array}{cc}
\phantom{................}\ce{CH3}\\
\phantom{.............}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{......}|\phantom{......}|\\
\phantom{...}\ce{CH3\phantom{.}}\phantom{..}\ce{OH}\phantom{...}\ce{CH3}
\end{array}\]


Write IUPAC name of the following compound:

\[\begin{array}{cc}
\ce{H3C - CH - CH2 - CH - CH - CH2 - CH3}\\
\phantom{}|\phantom{.............}|\phantom{......}|\phantom{.........}\\
\phantom{}\ce{OH}\phantom{..........}\ce{OH}\phantom{...}\ce{C2H5}\phantom{......}
\end{array}\]


Write IUPAC name of the following compound:

\[\begin{array}{cc}
\ce{HO - CH2 - CH - CH2 - OH}\\
|\phantom{..}\\
\ce{OH}
\end{array}\]


Write IUPAC name of the following compound:


Write IUPAC name of the following compound:


Write IUPAC name of the following compound:


Write IUPAC name of the following compound:

\[\begin{array}{cc}
\ce{CH3 - O - CH2 - CH - CH3}\\
\phantom{..........}|\\
\phantom{............}\ce{CH3}
\end{array}\]


Write IUPAC name of the following compound:

C6H5 – O – C2H5


Write IUPAC name of the following compound:

\[\begin{array}{cc}
\ce{CH3 - CH2 - O - CH - CH2 - CH3}\\
\phantom{...}|\\
\phantom{.....}\ce{CH3}
\end{array}\]


Give IUPAC name of the following ether:

CH3CH2CH2OCH3


Give IUPAC name of the following ether:


Which of the following compounds is NOT prepared by the action of alcoholic NI3 on alkyl halide?

(a) CH3NH2

(b) CH3- CH2- NH2

(c) CH3 - CH2 - CH2 - NH2

(d) (CH3)C- NH2


Write the structure and IUPAC name of 'methyl-n-propyl ether'.


What is the action of hot HI on it?


3-Methylbutane-2-ol on heating with HI gives ______


How is phenol converted into the following?

Benzene


How is phenol converted into the following?

benzoquinone


How is phenol converted into the following?

picric acid


Write IUPAC name of the following compound (CH3)2 N − CH2CH3


Write the IUPAC name of the following compound: 


Write the structures of the products when Butan-2-ol reacts with CrO3


Write the IUPAC name of the following :


How do you convert the Ethanal to Propanone


In the dehydration of alcohols to alkenes by heating with concentrated sulphuric acid, the initiation step is:

(1) formation of carbonation

(2) formation of an ester

(3) protonation of the alcohol molecule

(4) elimination of water


Write structural formulae for 1-Ethylcyclohexanol.


Write structural formula for pentane-1,4-diol.


Write IUPAC name of the following


Write IUPAC names of the following


Write IUPAC names of the following


In a carbinol system of nomenclature tert.butyl alcohol is named as _______________


Isopropyl alcohol on oxidation forms:


Give IUPAC names of the following compound:


Give IUPAC names of the following compound:

\[\begin{array}{cc}
\phantom{..}\ce{H}\phantom{...}\ce{CH3}\phantom{.}\ce{H}\phantom{..}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{}\\
\ce{H - C - C - C - H}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{}\\
\phantom{.}\ce{H}\phantom{...}\ce{OH}\phantom{.}\ce{H}\phantom{.}\\
\end{array}\]


C6H5OCH2CH3 is called:


3-methylphenol is called ____________.


One of the following is not a dihydroxy derivative of benzene.


The compound HOCH2 – CH2OH is __________.


An example of a compound with functional group – O – is ____________.


Butane-2-ol is ____________.


HBr reacts fastest with ____________.


n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent?


When ethyl alcohol reacts with acetic acid, the products formed are:


1-Propanol and 2-propanol can be best distinguished by:


Which of the following is most acidic?


The major product formed by the reaction:

\[\begin{array}{cc}
\ce{CH3CH-CH2Br ->[CH3O^-][CH3OH] is}\\
|\phantom{................}\\
\ce{CH3}\phantom{.............}
\end{array}\]


\[\ce{HC ≡ CH ->[HgSO4][H2SO4] ->[CH3MgBr][H2O] ->[PBr3]}\]


The heating of phenyl methyl ether with HI produces:


Which of the following gives a positive iodoform test?


\[\ce{Phenol ->[Zn, dust] 'X' ->[CH3Cl][Anhy. AlCl3] 'Y' ->[Alkaline][KMnO4] 'Z'}\]

The product ‘Z’ is:


Among the following sets of reactants which one produces anisole?


IUPAC name of the compound is:

\[\begin{array}{cc}
\ce{CH3-CH-OCH3}\\
|\phantom{....}\\
\ce{CH3}\phantom{..}
\end{array}\]


IUPAC name of m-cresol is ______.


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?


What happens when benzene diazonium chloride is heated with water?


Arrange the following compounds in decreasing order of acidity.

\[\ce{H2O, ROH, HC ≡ CH}\]


Explain why p-nitrophenol is more acidic than phenol.


Match the starting materials given in Column I with the products formed by these (Column II) in the reaction with HI.

  Column I   Column II
(i) CH3—O—CH3 (a)
(ii) \[\begin{array}{cc}
\ce{CH3}\phantom{..................}\\
\backslash\phantom{.............}\\
\ce{CH-O-CH3}\\
/\phantom{..............}\\
\ce{CH3}\phantom{..................}
\end{array}\]
(b) \[\begin{array}{cc}
\ce{CH3}\phantom{....}\\
|\phantom{.......}\\
\ce{CH3-C-I + CH3OH}\\
|\phantom{.......}\\
\ce{CH3}\phantom{....}
\end{array}\]
(iii) \[\begin{array}{cc}
\ce{CH3}\phantom{.}\\
|\phantom{....}\\
\ce{H3C-C-O-CH3}\\
|\phantom{....}\\
\ce{CH3}\phantom{..}
\end{array}\]
(c)
(iv) (d) CH3—OH + CH3—I
    (e) \[\begin{array}{cc}
\ce{CH3}\phantom{.....................}\\
\backslash\phantom{.................}\\
\ce{CH-OH + CH3I}\\
/\phantom{.................}\\
\ce{CH3}\phantom{.....................}
\end{array}\]
    (f) \[\begin{array}{cc}
\ce{CH3}\phantom{.....................}\\
\backslash\phantom{.................}\\
\ce{CH-I + CH3OH}\\
/\phantom{.................}\\
\ce{CH3}\phantom{.....................}
\end{array}\]
    (g) \[\begin{array}{cc}
\ce{CH3}\phantom{....}\\
|\phantom{.......}\\
\ce{CH3-C-OH + CH3I}\\
|\phantom{.......}\\
\ce{CH3}\phantom{....}
\end{array}\]

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: IUPAC name of the compound

\[\begin{array}{cc}
\ce{CH3 - CH - O - CH2 - CH2 - CH3}\\  
|\phantom{....................}\\
\ce{CH3}\phantom{.................}
\end{array}\] is 2-Ethoxy-2-methylethane.

Reason: In IUPAC nomenclature, ether is regarded as hydrocarbon derivative in which a hydrogen atom is replaced by —OR or —OAr group [where R = alkyl group and Ar = aryl group]


Explain why Lewis acid is not required in bromination of phenol?


Write the IUPAC name of the following compound.


Convert the following:

Ethyl alcohol into ethyl acetate.


How are the following conversions carried out?

Methyl magnesium bromide→2-Methylpropan-2-ol.


Draw structure of the following compound.

2. 5-Diethylphenol


Draw structure of the following compound.

Prop-2-en-1-ol


Give the structures of Thiosulphuric acid and Peroxy monosulphuric acid.


Write structural formulae for:

Salicylic acid


Write the IUPAC name of the following compound:

\[\begin{array}{cc}
\phantom{..............}\ce{CH3}\\
\phantom{............}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{.....}|\phantom{......}|\\
\phantom{...}\ce{CH3}\phantom{.}\ce{OH}\phantom{...}\ce{CH3}
\end{array}\]


Write IUPAC name of the following compound:

\[\begin{array}{cc}
\phantom{...............}\ce{CH3}\\
\phantom{............}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{......}|\phantom{......}|\\
\phantom{...}\ce{CH3}\phantom{...}\ce{OH}\phantom{...}\ce{CH3}
\end{array}\]


Write IUPAC names of the following compounds: 

\[\begin{array}{cc}
\phantom{...............}\ce{CH3}\\
\phantom{.............}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{......}|\phantom{......}|\\
\phantom{...}\ce{CH3\phantom{...}OH\phantom{...}CH3}\\
\end{array}\] 


Write the IUPAC name of the following compound:

\[\begin{array}{cc}
\phantom{...............}\ce{CH3}\\
\phantom{.............}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{......}|\phantom{......}|\\
\phantom{...}\ce{CH3}\phantom{..}\ce{OH}\phantom{...}\ce{CH3}
\end{array}\]


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