1.

Label the hydrophilic and hydrophobic parts in the following compounds. (a)`CH_3(CH_2)_10CH_2OSO_3^(-)Na^+` , (b)`CH_3(CH_2)_15-overset+N(CH_3)_3Br^-` , (c ) `CH_3(CH_2)_16COO(CH_2CH_2O)_n CH_2CH_2OH`

Answer» (a)`ubrace(CH_3(CH_2)_10CH_2)_"Hydrophobic"-ubrace(OSO_3^(-)Na^(+))_"Hydrophilic part"`
(b)`ubrace(CH_3(CH_2)_15)_"Hydrophobic part"-ubrace(overset+N(CH_3)_3Br^-)_"Hydrophilic part"`
(c )`ubrace(CH_3(CH_2)_16)_"Hydrophobic part"-ubrace(COO(CH_2CH_2O)_nCH_2CH_2OH)_"Hydrophilic acid"`


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