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Determine the bond angles for each molecule in.(a) SiO2(b)

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

Solution for problem 68P Chapter 10

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 68P

PROBLEM 68P

Determine the bond angles for each molecule in.

(a) SiO2

(b) BF3

(c) CFCl3 (carbon is central)

(d) H2CS (carbon is central)

Step-by-Step Solution:
Step 1 of 3

Solution 68P

Here, we are going to find out the bond angles for each molecule.The bond angles can be calculated by using VSEPR theory. The repulsion between the electron groups of the internal atom determines the geometry of the molecule. The best possible geometry of the molecule is that where electron groups have maximum separation between them.

(a) SiO2

The valence electron of Si = 4

Valence electron of O atom = 6

Total valence electrons in SiO2 molecule = 4+2x6 =16 e

The Lewis structure of SiO2 is

From Lewis structure, it is found that SiO2 has two electron groups. Therefore, two bonds repel each other, gives a linear geometry.

Thus, the bond angle of SiO2 is 180o.

(b) BF3

The valence electron of B = 3

Valence electron of F atom =7

Total valence electrons in  BF3 molecule = 3+3x7 =24 e

The Lewis structure of  BF3  is

From Lewis structure, it is found that  BF3 has three electron groups around the central atom which can maximize their separation. Thus it results a trigonal planar geometry having bond angle 120o.

Thus, the bond angle of BF3 is 120o.

(c) CFCl3 (carbon is central)

The valence electron of C =4

Valence...

Step 2 of 3

Chapter 10, Problem 68P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

The answer to “Determine the bond angles for each molecule in.(a) SiO2(b) BF3(c) CFCl3 (carbon is central)(d) H2CS (carbon is central)” is broken down into a number of easy to follow steps, and 18 words. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. Since the solution to 68P from 10 chapter was answered, more than 1585 students have viewed the full step-by-step answer. This full solution covers the following key subjects: carbon, central, cfcl, Bond, Angles. This expansive textbook survival guide covers 19 chapters, and 2045 solutions. The full step-by-step solution to problem: 68P from chapter: 10 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295.

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