Multiple Choice
The conjugate base of H2AsO4- is
A) H2AsO4
B) H3AsO4
C) HAsO4-
D) HAsO42-.
E) AsO43-.
Correct Answer:
Verified
Correct Answer:
Verified
Q69: Which species is amphoteric?<br>A)HNO<sub>3</sub>(aq)<br>B)Cl<sup>-</sup>(g)<br>C)CO<sub>3</sub><sup>2-</sup>(aq)<br>D)HSO<sub>3</sub><sup>-</sup>(aq)<br>E)PO<sub>4</sub><sup>3-</sup>(aq)
Q70: The strongest acid that can exist in
Q71: What is the formula for the conjugate
Q72: In the reaction, HSO<sub>4</sub><sup>-</sup><sup> </sup>+ HS<sup>-</sup> <img
Q73: Which solution should be the most acidic?<br>A)Zn(NO<sub>3</sub>)<sub>2
Q75: In the reaction, HSO<sub>4</sub><sup>-</sup> + HS<sup>-</sup><sup> </sup>
Q76: The conjugate base of H<sub>2</sub>SO<sub>4</sub> is<br>A)SO<sub>4</sub><sup>2-</sup>.<br>B)H<sub>3</sub>O<sup>+</sup>.<br>C)OH<sup>-</sup>.<br>D)HSO<sub>4</sub><sup>-</sup>.<br>E)H<sub>2</sub>SO<sub>3</sub>.
Q77: CO<sub>2</sub> can react with OH<sup>-</sup>, forming HCO<sub>3</sub><sup>-</sup>.
Q78: NH<sub>3</sub> can react with BF<sub>3</sub>, forming NH<sub>3</sub>-BF<sub>3</sub>.
Q79: Given the following substances, listed in order