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Topic 5B Bonding in carbon compounds

Functional Groups Alcohols

18 Classification:

Functional Groups Amines

19 N CH 3 H H N H C H H H H Methylamine (Methanamine) In methylamine, sp3 nitrogen is covalently bonded to methyl and two hydrogens

Functional Groups Amines

19 Classified on number of alkyl groups attached to nitrogen

Functional Groups Ketones and Aldehydes

20 R CHO R = organic group, CHO = aldehyde group C H O R R = organic groups, CO = ketonic group C R O R CO R R

Functional Groups Ketones and Aldehydes

20 C O H H Polarised p -molecular orbital : : O2p z C2p z CO s -bond H H 120° Formation of a bond using an sp2 hybrid orbital and a  bond using the pz enables oxygen to form double bonds to carbon:

Functional Groups Ketones and Aldehydes

20 Carbon is positively polarised and oxygen negatively polarised Carbonyls are best seen as:

Functional Groups Carboxylic acids

21 R CO2H R = alkyl group, CO2H = carboxyl group

Functional Groups Carboxylic acids

21 Why acidic? In water they ionize partially

Functional Groups Carboxylic acids

21 Resonance: Negative charge is on both oxygens

Showing 41 - 49 of 49 items Details

Name: 
Chem 110-Mod5-2005-Pt2
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Topic 5B Bonding in carbon compounds
Tags: 
bond | orbit | hybrid | carbon | group | form | electron | function
Created: 
1/2/2010 8:22:00 AM
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