Here are the structures for the given compounds:
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2-chloro-2-iodo pentanol
The parent chain is pentan-1-ol, meaning a 5-carbon chain with an alcohol group on the first carbon. There is a chloro group and an iodo group on the second carbon.
CH3CH2CH2C(Cl)(I)CH2OH
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2-bromo propanol
The parent chain is propan-1-ol, meaning a 3-carbon chain with an alcohol group on the first carbon. There is a bromo group on the second carbon.
CH3CH(Br)CH2OH
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2,3-dimethyl-1,4-pentanediol
The parent chain is pentane-1,4-diol, meaning a 5-carbon chain with alcohol groups on the first and fourth carbons. There are methyl groups on the second and third carbons.
HOCH2CH(CH3)CH(CH3)CH(OH)CH3
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3-iodo-2,3-di-methyl hexanol
The parent chain is hexan-1-ol, meaning a 6-carbon chain with an alcohol group on the first carbon. There is an iodo group on the third carbon, and methyl groups on the second and third carbons.
CH3CH2CH2C(I)(CH3)CH(CH3)CH2OH
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