Multiple Choice
Which of the following pairs are allotropes?
A) S8(s) and H2S(g)
B) S(s) and SO2(g)
C) O2(g) and H2O2(l)
D) C(s) and CO2(g)
E) O2(g) and O3(g)
Correct Answer:

Verified
Correct Answer:
Verified
Q100: All the following acids have pK<sub>a</sub>s smaller
Q101: In the following reaction<br>2KNO<sub>3</sub>(s)+ 4C(s) <span
Q102: Consider the unbalanced reactions<br>Na(s)+ P<sub>4</sub>(s) <span
Q103: When phosphoric acid and potassium bromide are
Q104: Write an equation for the second ionization
Q106: Of the following, which compound(s)Exist?<br>A) NCl<sub>3</sub><br>B) PCl<sub>5</sub><br>C)
Q107: Nitrogen triiodide can be prepared as
Q108: In the Ostwald process, the total change
Q109: Sodium borohydride is produced from the reaction
Q110: The formula of diborane is<br>A) BH<sub>3</sub>.<sub> </sub><br>B)