Which one of the following boils at the lowest temperature?

Which one of the following boils at the lowest temperature?

Which one of the following boils at the lowest temperature?



a. H2O
b. H2S
c. H2Se
d. H2Te
e. H2Po




Answer: B




a. KNO3
b. XeF4
c. Kr
d. NH3
e. AsH3



Answer: C




a. CF4
b. HF
c. HCl
d. KI
e. SiF4




Answer: A