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Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097

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BuyFindarrow_forward

Chemistry

9th Edition
Steven S. Zumdahl
ISBN: 9781133611097
Textbook Problem

One reason suggested for the instability of long chains of silicon atoms is that the decomposition involves the transition state shown below:

Chapter 12, Problem 74AE, One reason suggested for the instability of long chains of silicon atoms is that the decomposition

The activation energy for such a process is 210 kJ/mol. Which is less than either the Si–Si or the Si–H bond energy. Why would a similar mechanism not be expected to play a very important role in the decomposition of long chains of carbon atoms as seen in organic compounds?

Interpretation Introduction

Interpretation: It is given that, the instability of long chains of silicon atoms play a very important role in its decomposition. The reason of the fact that, the similar mechanism not be expected to play a very important role in the decomposition of long chains of carbon atoms is to be stated.

Concept introduction: The linkage of atoms through covalent bond to form longer chains and structures is known as catenation.

To determine: The reason of the fact that, the similar mechanism (as of silicon) not be expected to play a very important role in the decomposition of long chains of carbon atoms.

Explanation

Explanation

Carbon is an only element that shows catenation properties. Due to this property, carbon atoms can be seen in large number of organic compounds. Carbon contains four valence electrons. Each valence electron can make bond with any hydrogen electron. This leads to the formation of large number of new different elements.

Silicon does not show catenation property. It means that SiSi bond in silicon chain is weaker

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