What is the number of $\mathrm{N}$ atoms present in EDTA?

What is the number of $\mathrm{N}$ atoms present in EDTA?
  1. 2
  2. 3
  3. 4
  4. 1

Solution

Ethylene diaminetetraacetic acid (EDTA) is an amino poly carboxylic acid with the formula $\left[\mathrm{CH}_2 \mathrm{~N}\left(\mathrm{CH}_2 \mathrm{CO}_2 \mathrm{H}\right)_2\right]_2$. Number of N atoms in EDTA is 2.

Asked in: MHT CET 2021 (22 Sep Shift 1)

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