Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. chemical symbol, chemical formula or Lewis structure substance boiling point A H-C=N: (Choose one) v B H-CE C –H (Choose one) v Fe (Choose one) v D Не (Choose one) v

Chemistry: The Molecular Science
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Chapter19: The Chemistry Of The Main-group Elements
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1 highest, 4 lowest
Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the
highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on.
chemical symbol,
chemical formula
or Lewis structure
substance
boiling point
A
H-C=N:
(Choose one) v
H-C= C – H
(Choose one) ♥
В
Fe
(Choose one) v
D
Не
(Choose one) v
Transcribed Image Text:Rank the elements or compounds in the table below in decreasing order of their boiling points. That is, choose 1 next to the substance with the highest boiling point, choose 2 next to the substance with the next highest boiling point, and so on. chemical symbol, chemical formula or Lewis structure substance boiling point A H-C=N: (Choose one) v H-C= C – H (Choose one) ♥ В Fe (Choose one) v D Не (Choose one) v
Expert Solution
Step 1

Given that, 

Four substances or compounds are HCN, C2H, Fe and He, to rank in the decreasing order of their boiling points. 

Fe is a transition metal, they have high boiling temperature (2862°C) w.r.t to other organic (HCN = 25.6°C , C2H= -84°C) and noble gases( He = -268.9°C). 

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