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Question
Consider structures I to VII and answer the following questions.
Identify the pairs of compounds that represent position isomerism.
Identify the pairs of compounds that represent position isomerism.
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Solution
Ans. In position isomerism, two or more compounds differ in the position of substituent, functional group or multiple bonds but molecular formula is same. In the given structures, 1 and II, III and IV, and VI and VII are position isomers. I. CH3−CH2−CH2−CH2−OH and II. CH3—CH2—CH(OH)—CH3 are position isomers. Ill. CH3—C(CH3)(OH)−CH3 and IV. CH3—CH(CH3)—CH2—OH are position isomers. VI. CH3−O−CH2−CH2−CH3 and VII. CH3−O−CH(CH3)−CH3 are position isomers.
Ans. In position isomerism, two or more compounds differ in the position of substituent, functional group or multiple bonds but molecular formula is same. In the given structures, 1 and II, III and IV, and VI and VII are position isomers.
I. CH3−CH2−CH2−CH2−OH and
II. CH3—CH2—CH(OH)—CH3 are position isomers.
Ill. CH3—C(CH3)(OH)−CH3 and
IV. CH3—CH(CH3)—CH2—OH are position isomers.
VI. CH3−O−CH2−CH2−CH3 and
VII. CH3−O−CH(CH3)−CH3 are position isomers.
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