Concept explainers
Interpretation:
Between CH3 and CH4 which molecule is more likely exist in nature needs to be determined.
Concept introduction:
All noble gases have full octet valence shell electronic configurations. Therefore, they have the highest stability in nature. All the other atoms or molecule try to gain its neighboring noble gas like configuration.
Octet rule: A molecule will form a stable arrangement when it has 8 valence electrons by gaining its neighboring noble gas like configuration. This is called the Octet rule.
Answer to Problem 9E
CH4 molecule is most likely to exist in nature.
Explanation of Solution
CH3 molecule consists of 1 Carbon and 3 H atoms.
The valence shell electronic configuration of C is
So, the number of valence electron
Again Hydrogen has only
3 Hydrogen has a total valence electron
The total number of valence electrons in the CH3 molecule is
So CH3 molecule does not follow the Octet rule. Therefore, it is an unstable molecule and it does not exist naturally.
On the other hand, the CH4 molecule consists of 1 Carbon and 4 H atoms
The valence shell electronic configuration of C is
So, the number of valence electron
Again, hydrogen has only
4 Hydrogen has a total valence electron
The total number of valence electrons in the CH3 molecule is
So, the CH4 molecule follows the Octet rule. Therefore, it is a very stable molecule and it exists naturally.
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