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A C-O bond is slightly shorter than a C-C bond (143 pm vs. 154 pm respectively for single bonds).

For double bonds the trend is the same, with C=O bond being 121 pm, and a C=C bond being 134 pm.

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16y ago
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13y ago

C-O is more polar. When electrons are shared unequally, the bond is a polar covalent bond.

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12y ago

Both bonds are about the same strength.

Bonding enthalpy: 350 kJ/mol for both C-C and C-O,

(not for C=O, this one is 850 kJ/mol!)

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10y ago

C-C bond is more difficult to break than C-O bond

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13y ago

Usually covalent

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11y ago

c-c bond is more stronger

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11y ago

C-O

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11y ago

C-O

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Q: What bonds will be most difficult to break C C bond or C O bond?
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