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(i) Draw the strucutres of all isomeric alcohols of molecular formula C_(5)H_(12)O and give their IUPAC names. (ii) Classify the isomers of alcohols in Question as primary, secondary and tertiary alcohols. |
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Answer» Solution :Eight isomers are possible as GIVEN below. Indication of primary, secondary or TERTIARY is given in the bracket each. `{:((1)underset("Pentan -1 - ol "(1^(@)))(CH_(3)CH_(2)CH_(2)CH_(2)CH_(2)OH),(2)underset("Pentan -2 - ol "(2^(@)))(CH_(3)CH_(2)CH_(2)-OVERSET(OH)overset("|")"CH"-CH_(3))),((3)underset("Pentan -3 - ol "(2^(@)))(CH_(3)CH_(2)-overset(OH)overset("|")"CH"-CH_(2)CH_(3)),(4)underset("2-Methylbutan-1-ol "(1^(@)))(CH_(3)CH_(2)-overset(CH_(3))overset("|")"CH"-CH_(2)OH)),((5)underset("3-Methylbutan-1-(ol "(1^(@)))(CH_(3)-overset(CH_(3))overset("|")"CH"-CH_(2)CH_(2)-OH),(6)underset("2-Methylbutan-2-ol "(3^(@)))(CH_(3)-overset(CH_(3))overset("|")underset(OH)underset("|")"C "-CH_(2)CH_(3))),((7)underset("2, 2 - Dimethylpropan-1- ol "(1^(@)))(CH_(3)-overset(CH_(3))overset("|")underset(CH_(3))underset("|")"C "-CH_(2)OH),(8)underset("3-Methylbutan-2-ol "(2^(@)))(CH_(3)-overset(CH_(3))overset("|")"CH"-overset(OH)overset("|")"CH"-CH_(3))):}` |
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