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