(C) I and II only
(D) II and III only
(E) I, II, and III
Questions 33–35. What is the apparent oxidation state (number) of the
underlined element in the compound
- KHCO 3?
(A) +1
(B) +2
(C) +3
(D) +4
(E) +5
- MgSO 4?
(A) +1
(B) −1
(C) +2
(D) −2
(E) +3
- CO 2?
(A) +2
(B) −2
(C) +4
(D) −4
(E) +5
An atom with an electron configuration of 1s^2 2 s^2 2 p^6 3 s^2 3 p^4 will probably
exhibit which oxidation state?
(A) +2
(B) −2
(C) +3
(D) −3
(E) +5
In the Lewis dot structure X:, what is the predictable oxidation number?
(A) +1
(B) −1
(C) +2
(D) −2
(E) +3