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I. CH(3) - CH(2) - CH(2) - CH(2) - OH ...

I. `CH_(3) - CH_(2) - CH_(2) - CH_(2) - OH`
II. `CH_(3) - CH_(2) - underset(OH)underset(|)(CH) - CH_(3)`
III. `CH_(3) - underset(OH) underset(|)overset(CH_(3))overset(|)(C) - CH_(3)`
IV. `CH_(3) - underset(CH_(3))underset(|)(CH) - CH_(2) - OH`
V. `CH_(3) - CH_(2) - O - CH_(2) - CH_(3)`
VI. `CH_(3) - O - CH_(2) - CH_(2) - CH_(3)`
VII. `CH_(3) - O - underset(CH_(3))underset(|)(CH) - CH_(3)`
Identify the pair of compounds that represents chain isomerism

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Verified by Experts

When two or more compounds have similar molecular formula but different skeletons, these are referred to as chain isomer.
In the following structure.
I. `underset("Butanol-1")(CH_(3) - CH_(2) - CH_(2) - CH_(2) - OH)` II. `CH_(3) . CH_(2). CH_(2). CH_(2). OH`
III. `underset("2-methyl propanol-2")(CH_(3) - underset(OH) underset(|)overset(CH_(3)) overset(|)(C) - CH_(3))` IV. `underset("2-methyl propanol-1")(CH_(3) - underset(CH_(3))underset(|)(CH) - CH_(2) -OH)`
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I. CH_(3) - CH_(2) - CH_(2) - CH_(2) - OH II. CH_(3) - CH_(2) - underset(OH)underset(|)(CH) - CH_(3) III. CH_(3) - underset(OH) underset(|)overset(CH_(3))overset(|)(C) - CH_(3) IV. CH_(3) - underset(CH_(3))underset(|)(CH) - CH_(2) - OH V. CH_(3) - CH_(2) - O - CH_(2) - CH_(3) VI. CH_(3) - O - CH_(2) - CH_(2) - CH_(3) VII. CH_(3) - O - underset(CH_(3))underset(|)(CH) - CH_(3) Identify the pairs of compounds that represents position isomerism.

I. CH_(3) - CH_(2) - CH_(2) - CH_(2) - OH II. CH_(3) - CH_(2) - underset(OH)underset(|)(CH) - CH_(3) III. CH_(3) - underset(OH) underset(|)overset(CH_(3))overset(|)(C) - CH_(3) IV. CH_(3) - underset(CH_(3))underset(|)(CH) - CH_(2) - OH V. CH_(3) - CH_(2) - O - CH_(2) - CH_(3) VI. CH_(3) - O - CH_(2) - CH_(2) - CH_(3) VII. CH_(3) - O - underset(CH_(3))underset(|)(CH) - CH_(3) Identify the pairs of compounds which are functional group isomers

I. CH_(3) - CH_(2) - CH_(2) - CH_(2) - OH II. CH_(3) - CH_(2) - underset(OH)underset(|)(CH) - CH_(3) III. CH_(3) - underset(OH) underset(|)overset(CH_(3))overset(|)(C) - CH_(3) IV. CH_(3) - underset(CH_(3))underset(|)(CH) - CH_(2) - OH V. CH_(3) - CH_(2) - O - CH_(2) - CH_(3) VI. CH_(3) - O - CH_(2) - CH_(2) - CH_(3) VII. CH_(3) - O - underset(CH_(3))underset(|)(CH) - CH_(3) Which of the above compounds form pairs of metamers ?

Note : Consider structures I to VII and answer the questions 23 - 26. I. CH_3 - CH_2 - CH_2 - CH_2 - OH II. CH_3 - CH_2 - underset(underset(OH)|) CH - CH_3 III. CH_3 - underset(underset(OH)|) overset(overset(CH_3)|)C- CH_3 IV. CH_3 - underset(underset(CH_3)|) CH - CH_3 - OH V. CH_3 - CH_2 - O - CH_2 - CH_3 VI. CH_3 - O - CH_2 - CH_2 - CH_2 - CH_3 VII. CH_3 - O - underset(underset(CH_3)|) CH - CH_3 Identify the pairs of compounds that represent chain isomerism.

The IUPAC name for CH_(3) - underset(OH)underset(|)(CH) - CH_(2) - underset(OH)underset(|)overset(CH_(3))overset(|)(C) - CH_(3) is:

Note : Consider structures I to VII and answer the questions 23 - 26. I. CH_3 - CH_2 - CH_2 - CH_2 - OH II. CH_3 - CH_2 - underset(underset(OH)|) CH - CH_3 III. CH_3 - underset(underset(OH)|) overset(overset(CH_3)|)C- CH_3 IV. CH_3 - underset(underset(CH_3)|) CH - CH_3 - OH V. CH_3 - CH_2 - O - CH_2 - CH_3 VI. CH_3 - O - CH_2 - CH_2 - CH_2 - CH_3 VII. CH_3 - O - underset(underset(CH_3)|) CH - CH_3 Identify the pairs of compounds that represent position isomerism.

Note : Consider structures I to VII and answer the questions 23 - 26. I. CH_3 - CH_2 - CH_2 - CH_2 - OH II. CH_3 - CH_2 - underset(underset(OH)|) CH - CH_3 III. CH_3 - underset(underset(OH)|) overset(overset(CH_3)|)C- CH_3 IV. CH_3 - underset(underset(CH_3)|) CH - CH_3 - OH V. CH_3 - CH_2 - O - CH_2 - CH_3 VI. CH_3 - O - CH_2 - CH_2 - CH_2 - CH_3 VII. CH_3 - O - underset(underset(CH_3)|) CH - CH_3 Identify the pairs of compounds which are functional group isomers.

CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-CH_(2)-underset(O)underset(||)(C)-NHCH_(3)

Among these chain isomers are : (I) CH_(3)-CH_(3)-CH_(2)-CH_(2)-OH (II) CH_(3)-CH_(2)-underset(OH)underset(|)(CH)-CH_(3) (III) CH_(3)-underset(CH_(3))underset(|)overset(OH)overset(|)(C)-CH_(3)

NCERT EXEMPLAR-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES-Short Answer type question
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