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+1 vote
1.0k views
in Science by (25 points)
reopened by
Explain how the maximum oxidation state of carbon decreases gradually as the number of bonds to other carbons increases?

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2 Answers

+2 votes
by (48.5k points)

The maximum oxidation state that a carbon can attain decreases gradually as the number of bonds to other carbons increases. Thus, the maximum oxidation state possible for a carbon that's bonded to one other carbon is the carboxylic acid stage, and so on.

by (25 points)
Thank you my friend, but this is a general answer, but I want a more accurate and descriptive answer
0 votes
by (15 points)
when a carbon is bonded to an atom like hydrogen, the higher electronegativity of carbon allows it to take all electrons of hydrogen from the shared bond allowing it's oxidation to decrease so in CH4, the oxidation state of carbon would be -4 (oxidation state = no. of valence electron in free atom - no.of valence electron in bonded atom; = 4-8 = -4) but in the case of bonding to other carbon atoms, the electronegativity difference is zero, so the electrons are shared and stay in neutral position, in the case of C2H4 ( = 4 - 6 = -2)

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