quaternization meaning in Hindi

Examples

1. Quaternization of triphenylphosphine with most secondary halides is inefficient.
2. It is obtained from 3-dimethylaminophenol and dimethylcarbamoyl chloride and subsequent quaternization with methyl bromide or dimethyl sulfate
3. However, once the benzimidazole is detached from cobalt by quaternization with methyl iodide, it is replaced by or hydroxyl ions.
4. The amine is basic and undergoes quaternization with methyl iodide to give the ammonium salt [ C 6 H 5 CH 2 N ( CH 3 ) 3 ] + I  ".