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प्रश्न
What is metamerism?
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उत्तर १
The ethers with the same molecular formula but different alkyl groups attached on either side of the oxygen atom are called metamers of each other, and the phenomenon is called metamerism
उत्तर २
Metamerism (positional isomerism): Ethers having same molecular formula but different alkyl groups attached on either side of the oxygen atom are called metamers of each other. This phenomenon is called metamerism (positional isomerism).
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संबंधित प्रश्न
Write the IUPAC name of the given compound:

Name the following compound according to the IUPAC system.
\[\begin{array}{cc}
\ce{CH3 - C = C - CH2OH}\\
|\phantom{......}|\phantom{.....}\\
\ce{CH3}\phantom{.}\ce{Br}\phantom{....}\\
\end{array}\]
Write the IUPAC name of the following compound:
\[\begin{array}{cc}
\phantom{........................}\ce{CH3}\\
\phantom{....................}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{.........}|\phantom{.........}|\\
\phantom{...}\ce{CH3}\phantom{....}\ce{OH}\phantom{....}\ce{CH3}\\
\end{array}\]
Write the IUPAC name of the following compound:
\[\begin{array}{cc}
\ce{HO - CH2 - CH - CH2 - OH}\\
|\phantom{...}\\
\ce{OH}\phantom{.}\\
\end{array}\]
Write the IUPAC name of the following compound:

Write the IUPAC name of the following compound:
C6H5 – O – C2H5
Write structures of the compounds whose IUPAC names are as follows:
3-Chloromethylpentan-1-ol.
Give the IUPAC name of the following ether:
O2N – C6H4 – OCH3(p)
Give the IUPAC name of the following ether:

Give the 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)3 C- NH2
Write IUPAC name of the following compound (CH3)2 N − CH2CH3
Write the structures of the products when Butan-2-ol reacts with SOCl2
Write structural formulae for 1-Ethylcyclohexanol.
Give IUPAC names of the following compound:
\[\begin{array}{cc}
\phantom{..}\ce{H}\phantom{...}\ce{CH3}\phantom{.}\ce{H}\phantom{..}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{}\\
\ce{H - C - C - C - H}\\
\phantom{}|\phantom{....}|\phantom{....}|\phantom{}\\
\phantom{.}\ce{H}\phantom{...}\ce{OH}\phantom{.}\ce{H}\phantom{.}\\
\end{array}\]
Cresol has ____________.
Ethyl alcohol is industrially prepared from ethylene by:
HBr reacts fastest with ____________.
When ethyl alcohol reacts with acetic acid, the products formed are:
Write steps to carry out the conversion of phenol to aspirin.
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]
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.
Write a chemical reaction for the following conversion:
Acetic acid into ethyl alcohol.
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 structural formulae for:
Salicylic acid
The IUPAC name of
is ______.
Write IUPAC names of the following compounds:
\[\begin{array}{cc}
\phantom{...............}\ce{CH3}\\
\phantom{.............}|\\
\ce{CH3 - CH - CH - C - CH3}\\
|\phantom{......}|\phantom{......}|\\
\phantom{...}\ce{CH3\phantom{...}OH\phantom{...}CH3}\\
\end{array}\]
