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For each pair of solids, determine which solid has the higher melting point and explain

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 85P Chapter 12

Introductory Chemistry | 5th Edition

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

Introductory Chemistry | 5th Edition

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Problem 85P

PROBLEM 85P

For each pair of solids, determine which solid has the higher melting point and explain why.

(a) Ti(s) and Ne(s)

(b) H2O(s) and H2S(s)

(c) Kr(s) and Xe(s)

(d) NaCl(s) and CH4(s)

Step-by-Step Solution:
Step 1 of 3

Solution 85P

(a) Ti(s) and Ne(s)- Ti has higher melting point because it is an atomic solid held together by metallic bonding.

(b) H2O(s) and H2S(s)- H2O has higher melting point because it is capable of hydrogen bonding

(c) Kr(s) and Xe(s)-  Xe has higher melting point.  Xe is larger than Kr and therefore has a higher polarisability and therefore the LDF are stronger and therefore the melting point is higher.

(d) NaCl(s) and CH4(s)- NaCl has higher melting point because it is ionic bond where as CH4 is covalent. As the ionic bond is stronger than that of covalent bond so it has high melting point.

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Chapter 12, Problem 85P is Solved
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Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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For each pair of solids, determine which solid has the higher melting point and explain