JEE Main Chemistry question

Chemistry Chemistry in Everyday Life JEE Main

Not in JEE Main or NEET syllabus

Which of the following is not a surfactant?

(A) (cetyltrimethylammonium bromide)
(B) (hexadecylamine)Correct
(C) (sodium octadecyl sulphate)
(D)Decyl pyridinium chloride

Answer: (B)

Solution

Options (A), (C) and (D) are all ionic (quaternary ammonium, sulphate ester and pyridinium salts respectively), each having a clearly ionised, permanently charged hydrophilic head joined to a long hydrophobic hydrocarbon tail, which is the hallmark of a

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Question ID VK-145092