How many methyl groups are present in $\mathrm{n}$ -hexadecyl trimethyl ammonium chloride?

How many methyl groups are present in $\mathrm{n}$ -hexadecyl trimethyl ammonium chloride?
  1. 3
  2. 4
  3. 14
  4. 6

Asked in: MHT CET 2020 (13 Oct Shift 1)

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