A)
B) \[C{{H}_{3}}-{{(C{{H}_{2}})}_{14}}-C{{H}_{2}}-N{{H}_{2}}\]
C) \[C{{H}_{3}}-{{(C{{H}_{2}})}_{16}}-C{{H}_{2}}OS{{O}^{-}}_{2}N{{a}^{+}}\]
D) \[OHC-{{(C{{H}_{2}})}_{14}}-C{{H}_{2}}-CO{{O}^{-}}\,N{{a}^{+}}\]
Correct Answer: B
Solution :
Surfactant are those which have charge on their tail, e.g., cetyltrimethyl ammonium bromide. Surfactants are those, which dissociate in water to yield positively charged ion. So\[{{\operatorname{CH}}_{3}}{{\left( C{{H}_{2}} \right)}_{14}}- C{{H}_{2}}\,- N{{H}_{2}}\]; is not surfactant.
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