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How to find no. of bonds between C and O ?

HbWhi5F
in Homework Help

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Example CH3CH2COCH2CH3

image.png

How do we know that CO has a double bond

Oxygen is normally two bonded. In water it can bond to two hydrogen gives H2O. In organic compounds it can bond to one hydrogen and the other bond can go to carbon like in alcohols or phenols ROH. Also possible to bond to two carbons and form Ethers R-O-R'.

It can also bond 2 times to carbon like in Aldehyde R-CHO or ketons R-CO-R' like your example 3- Pentanone.

Both possibilities are given in carbon acid and their Esters. RCOOR' R =H, Alkyl or Aryl.

Edited by chenbeier

Additionally oxygen is the group VI im the PSE. Means it is able to make 2 bonds to reach octet rule. Either 2 single bonds or one double bond.

1 hour ago, HbWhi5F said:

@chenbeier When are triple bonds formed by O ?

Look up CO and tell us how the bonding works.

9 hours ago, HbWhi5F said:

Example CH3CH2COCH2CH3

image.png

How do we know that CO has a double bond

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Please start these posts in the Homework Help section so I don't have to waste my time moving them there. Thank you.

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