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Q.
$ C{{H}_{3}}-O-{{C}_{3}}{{H}_{7}} $ and $ {{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}} $ show the following isomerism
Rajasthan PETRajasthan PET 2005
Solution:
$ C{{H}_{3}}-O-{{C}_{3}}{{H}_{7}} $ and $ {{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}} $ show the metamerism because they belong to same family (ie, ether functional group) but differ in the nature of alkyi groups.