![Which one of the following does not contain coordinate bond?](https://www.gkseries.com/blog/wp-content/uploads/2022/04/Which-one-of-the-following-does-not-contain-coordinate-bond.png)
Q. Which one of the following does not contain coordinate bond?
- BH−4
- NH−4
- CO2−3
- H3O+
Answer: CO2−3
Answer: CO2−3
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