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<u>Answer:</u> The total number of electrons that must be shared between carbon and oxygen atoms are 8.
<u>Explanation:</u>
A covalent compound is formed when sharing of electrons takes place between the atoms forming a compound.
Carbon is the 6th element of the periodic table having electronic configuration of
This element requires 4 electrons to complete its shell.
Oxygen is the 8th element of the periodic table having electronic configuration of
This element requires 2 electrons to complete its shell.
So, in order to complete the octet of both the elements, 2 oxygen atoms are required for 1 carbon atom.
Hence, the total number of electrons that must be shared between carbon and oxygen atoms are 8.
Answer:
See figure 1
Explanation:
For this question, we have to remember that in the lewis structures all atoms must have<u> 8 electrons</u>. And each atom would have a different value of <u>valence electrons</u>:
Carbon => 4
Oxygen=> 6
Hydrogen=> 1
Additionally, for the <u>hybridizations</u> we have to remember that:
=> 4 single bonds
=> 1 double bond
=> 1 double bond
With this in mind, the formaldehyde and formic acid would have carbons and the ethanol an
carbon.
Finally, for the oxidation state. We have to remember that <u>if we have more bonds with oxygen, we will have more oxidation</u>. Therefore, the carbon that has more oxidation is the one in the formic acid (we have several bonds with oxygen).
See figure 1
I hope it helps!
