Which of the following compound can show metamerism ?A Butan-2-ol B But-2-ene C Methoxy methane D Ethoxy ethane
Question
Which of the following compounds can show metamerism?
A. Butan-2-ol
B. But-2-ene
C. Methoxy methane
D. Ethoxy ethane
Solution
Metamerism is a type of isomerism in which compounds have the same molecular formula but different number of carbon atoms (or alkyl groups) on either side of the functional group.
A. Butan-2-ol - This compound cannot show metamerism because it has a -OH (alcohol) functional group, which does not support metamerism.
B. But-2-ene - This compound cannot show metamerism because it has a C=C (alkene) functional group, which also does not support metamerism.
C. Methoxy methane - This compound cannot show metamerism because it has a -O- (ether) functional group, but there is only one carbon atom on either side of the functional group.
D. Ethoxy ethane - This compound can show metamerism because it has a -O- (ether) functional group and there are two carbon atoms on either side of the functional group. The alkyl groups on either side of the oxygen atom can be varied to produce different metamers.
So, the compound that can show metamerism is Ethoxy ethane.
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