Solved: Explain the observed trend in the boiling points of the compounds listed. Why is

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

ISBN: 9780321910295 34

Solution for problem 102P Chapter 12

Introductory Chemistry | 5th Edition

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Problem 102P

PROBLEM 102P

Explain the observed trend in the boiling points of the compounds listed. Why is H2O atypical?

Compound	Melting Point
H2Te	−2 °C
H2Se	−41.5 °C
H2S	−60.7 °C
H2O	+100 °C

Step-by-Step Solution:

Solution 102P

Find:

Here we have to explain the trend of boiling points of the following compounds, H2Te, H2Se, H2S and H2O.

Explanation:

Step 1:

Higher the boiling point, higher will be the forces because more thermal energy needed to separate the molecules in liquid state. Even though Sulfur is more electronegative than Se or Te , the size of the molecules is a bigger factor in their interactions. As we move down a group, the atomic size increases hence more energy will be required to break a molecule. Hence the boiling point also increases as we go down a group.

H2S< H2Se<H2Te

H2S = 212 K

H2Se = 232 K

H2Te = 271 K

Step 2 of 2

Chapter 12, Problem 102P is Solved

Textbook: Introductory Chemistry

Edition: 5

Author: Nivaldo J Tro

ISBN: 9780321910295

This full solution covers the following key subjects: atypical, boiling, compound, compounds, explain. This expansive textbook survival guide covers 19 chapters, and 2046 solutions. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. The answer to “Explain the observed trend in the boiling points of the compounds listed. Why is H2O atypical?CompoundMelting PointH2Te?2 °CH2Se?41.5 °CH2S?60.7 °CH2O+100 °C” is broken down into a number of easy to follow steps, and 21 words. The full step-by-step solution to problem: 102P from chapter: 12 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. Since the solution to 102P from 12 chapter was answered, more than 2081 students have viewed the full step-by-step answer.