### HW 17.33

Posted:

**Sun Jun 10, 2018 11:53 pm**Hi!

I'm a bit confused about the answers given in the solutions manual regarding problem 17.33. For part a, we consider HN(CH2CH2NH2)2 and the solutions manual says it is tridentate. For part b however (CO3 2-), the solutions manual says it can be monodentate or bidentate. I understand why CO3 2- can be monodentate or bidentate, but doesn't that mean that we can say that HN(CH2CH2NH2)2 is monodentate, bidentate or tridentate as well? Similarly for part d (oxalate, C2O4 2-), wouldn't we be able to say it is monodentate or bidentate instead of just bidentate (as written in the solutions manual)? Or am I understanding this wrongly?

Thank you so much!! :)

Anna De Schutter - section 1A

I'm a bit confused about the answers given in the solutions manual regarding problem 17.33. For part a, we consider HN(CH2CH2NH2)2 and the solutions manual says it is tridentate. For part b however (CO3 2-), the solutions manual says it can be monodentate or bidentate. I understand why CO3 2- can be monodentate or bidentate, but doesn't that mean that we can say that HN(CH2CH2NH2)2 is monodentate, bidentate or tridentate as well? Similarly for part d (oxalate, C2O4 2-), wouldn't we be able to say it is monodentate or bidentate instead of just bidentate (as written in the solutions manual)? Or am I understanding this wrongly?

Thank you so much!! :)

Anna De Schutter - section 1A