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  3. Chemistry
  4. Assertion: The term tautomerism was introduced by Maxwell in order to explain the chemical reactivity of a substance according to two possible structures. Reason: Metamers can also be chain isomers or position isomers.

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Q. Assertion: The term tautomerism was introduced by Maxwell in order to explain the chemical reactivity of a substance according to two possible structures.
Reason: Metamers can also be chain isomers or position isomers.

AIIMSAIIMS 1999Organic Chemistry – Some Basic Principles and Techniques

Solution:

Metamers differ in nature of alkyl groups attached to the same functional group. e.g.

$\underset{\text{Methyl propyl ether }}{CH _{3}- O - C _{3} H _{7}}$

$\underset{\text{Diethyl ether}}{C_2 H_5-O- C_2H_5}$