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Amines are derivatives of ammonia and are classified as `1^@, 2^@ , and 3^@` Primary and secondary (but not teritary amines) form intermolecular hydrogen bonds and thus they boil at higher temperature than expected.Like ammonia, all amines are basic, although they differ in their basic nature.As amines are considered as derivatives of ammonia, quatemary ammonium salts are considered as derivatives of ammonium salts.Only the quatemary ammonium salts can show optical activity. Which of the following shows configurationally isomerism ?A. Diethyldimethylammonium iodideB. MethylethylpropylamineC. Methylallylphenylbenzyl ammonium bromideD. None of the above |
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Answer» Correct Answer - C Quaternary ammonium salts having four different groups have tetrahedral arrangement and therefore exist as configurationally enantiomers. |
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