Predicting missing boiling point in the following series of compounds:

  • #1

Homework Statement



a) CH4 -164 C , SiH4 -112 C, GeH4, -90 C, SnH4, ? C.

b) H2O ? C, H2S -61 C, H2Se -41 C, H2Te -2 C




The Attempt at a Solution


a)This was an assignment and the right answer was T= -75 C. I did a graph starting from CH4 to SnH4 and I know this because its going down a group from the periodic table. But I dont know how to get the right answer ( -75 C)

b) Right answer : -71 C . Similarly, I did a graph from H2O to H2Te and didnt know how to get the right answer.

Thanks
 

Answers and Replies

  • #2
Borek
Mentor
28,544
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Have you tried to extend the graph and read from it?
 

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