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प्रश्न
Which of the following is most acidic?
पर्याय
Benzyl alcohol
Cyclohexanol
Phenol
m-Chlorophenol
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उत्तर
m-Chlorophenol
Explanation:
m-chlorophenol is most acidic. Alpha carbon of benzyl alcohol and cyclohexanol is sp3 hybridized. In m-chlorophenol, it is sp2 hybridized. In m-chlorophenol, electron-withdrawing group \[\ce{-Cl}\] is present at meta position.
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संबंधित प्रश्न
Give IUPAC name of the following ether:
CH3CH2CH2OCH3
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(A) formaldehyde
(B) acetaldehyde
(C) acetone
(D) ethyl methyl ketone
Write the structure and IUPAC name of 'methyl-n-propyl ether'.
How is phenol converted into the following?
Benzene
How is phenol converted into the following?
benzoquinone
Write structural formula for pentane-1,4-diol.
Give IUPAC names of the following compound:
\[\begin{array}{cc}
\phantom{..}\ce{H}\phantom{...}\ce{CH3}\phantom{.}\ce{H}\phantom{..}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{}\\
\ce{H - C - C - C - H}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{}\\
\phantom{.}\ce{H}\phantom{...}\ce{OH}\phantom{.}\ce{H}\phantom{.}\\
\end{array}\]
HBr reacts fastest with ____________.
Ethylene reacts with Baeyer’s reagent to give ______.
\[\ce{Phenol ->[Zn, dust] 'X' ->[CH3Cl][Anhy. AlCl3] 'Y' ->[Alkaline][KMnO4] 'Z'}\]
The product ‘Z’ is:
IUPAC name of the compound \[\begin{array}{cc}
\ce{CH3 - CH - OCH3}\\
\phantom{}|\phantom{....}\\
\phantom{}\ce{CH3}\phantom{..}
\end{array}\] is ______.
Give IUPAC name of the compound given below.
\[\begin{array}{cc}
\phantom{}\ce{CH3 - CH - CH2 - CH2 - CH - CH3}\phantom{.}\\
\phantom{.........}|\phantom{...................}|\phantom{...........}\\
\phantom{..}\ce{Cl}\phantom{.................}\ce{OH}\phantom{..}
\end{array}\]
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.
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Reason: Lewis acid polarises the bromine molecule.
Write the IUPAC name of the following compound.
Write a chemical reaction for the following conversion:
Acetic acid into ethyl alcohol.
Identify A and B in the following:
Write the IUPAC name.
\[\begin{array}{cc}
\phantom{................}\ce{CH3}\\
\phantom{.............}|\\
\ce{CH3 - CH - CH - C -CH3}\\
\phantom{.}|\phantom{......}|\phantom{......}|\\
\phantom{....}\ce{CH3\phantom{...}\ce{OH}\phantom{...}\ce{CH3}}\
\end{array}\]
