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NCERT Class XII Chemistry
Chapter - Chemistry in Everyday Life
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Question : 27 of 32
Marks: +1, -0
Label the hydrophilic and hydrophobic parts in the following compounds.
(i) CH3(CH2)10CH2OSO3–Na+CH_3(CH_2)_10CH_2OSO_3 ^{–} Na^{+}
(ii) CH3(CH2)15N+(CH3)3Br–CH_3(CH_2)_15 N^{+} (CH_3)_3 Br^{–}
(iii) CH3(CH2)16COO(CH2CH2O)nCH2CH2OHCH_3(CH_2)_16COO(CH_2CH_2O)nCH_2CH_2OH
Solution:  
 Hydrophobic  Hydrophilic
  (i) CH3(CH2)10CH2{CH}_{3} ( {CH}_{2} )_{10} {CH}_{2}  OSO3−Na+{OSO}_{3}^{-} {Na}^{+}
 (ii) CH3(CH2)15{CH}_{3} ( {CH}_{2} )_{15}  N+(CH3)3Br−{N}^{+} ( {CH}_{3} )_{3} {Br}^{-}
  (iii) CH3(CH2)16{CH}_{3} ( {CH}_{2} )_{16}  COO(CH2CH2O)nCH2CH2OH{COO} ( {CH}_{2} {CH}_{2} {O} )_{n} {CH}_{2} {CH}_{2} {OH}
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