1. Oxoanions have names ending in “ate” or “ite”
QUESTION:
Which of the following is not an oxoanion? A. peroxide (O2-), B. nitrate (NO3-) C. nitrite (NO2-)
Oxoanion or oxyanion is a polyatomic ion, has atoms of oxygen and another element.
Oxoanions have names ending in “ate” or “ite”
SCRIPT:
Which of the following is not an oxoanion? A. peroxide (O2-), B. nitrate (NO3-) C. nitrite (NO2-)
PAUSE
CLICK An oxoanion (PRONOUNCED: oxo + an + ion) or oxyanion is a polyatomic ion HIGHLIGHT polyatomic
Made up of atoms of oxygen and another element.
The correct answer is A.
All of the choices given here are polyatomic, but peroxide has oxygen atoms only. So it is not an oxoanion.
CLICK Oxoanions generally have names ending in “ate” as in nitrate
HIGHLIGHT ate in nitrate
And nitrite
HIGHLIGHT ite in nitrite

2. Video ID: © 2008, Project VALUE (Video Assessment Library for Undergraduate Education), Department of Physical Sciences Nicholls State University Author: Glenn V. Lo Narrator: Funded by Louisiana Board of Regents Contract No. LA-DL-SELECT-13-07/08