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Creating an Ester Year 10 Science
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R Groups
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R Groups Meth C1 Eth C2 Prop C3 But C4 Pent C5 Hex C6 Hept C7 Oct C8
Non C9 Dec C10
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Word Equation
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Word Equation Alcohol + Carboxylic Acid Ester + Water
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Word Equation Chemical Equation
Alcohol + Carboxylic Acid Ester + Water Chemical Equation O O H2SO4 R’-OH + R-C-OH R-C-O-R’ + H2O
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Word Equation Example:
Ethanol + Ethanoic Acid Ethyl Ethanoate + Water
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Alcohol
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Alcohol Functional Group:
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Alcohol Functional Group: – OH
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Alcohol Ethanol
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Alcohol Ethanol Chemical Formula?
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Alcohol Ethanol ROH
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Alcohol Ethanol C2H5OH
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Alcohol Ethanol Chemical Structure? C2H5OH
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Alcohol Ethanol H – O R C2H5OH
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Alcohol Ethanol H H H – O C - C H H H C2H5OH
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Alcohol Ethanol H H H – O C - C H H H C2H5OH Functional Group?
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Alcohol Ethanol H H H – O C - C H H H C2H5OH
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Carboxylic Acid
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Carboxylic Acid Functional Group:
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Carboxylic Acid Functional Group: – COOH
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Carboxylic Acid Ethanoic Acid
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Carboxylic Acid Ethanoic Acid Chemical Formula?
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Carboxylic Acid Ethanoic Acid RCOOH
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Carboxylic Acid Ethanoic Acid CH3COOH
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Carboxylic Acid Ethanoic Acid Chemical Structure? CH3COOH
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Carboxylic Acid Ethanoic Acid O R - C O – H CH3COOH
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Carboxylic Acid Ethanoic Acid H O H C - C O – H H CH3COOH
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Carboxylic Acid Ethanoic Acid O H O – H H C - C H CH3COOH
Functional Group?
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Carboxylic Acid Ethanoic Acid H O H C - C O – H H CH3COOH
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Reaction Carboxylic Acid Alcohol
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Reaction Carboxylic Acid Alcohol O R – C – O – H H – O – R’
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Reaction Carboxylic Acid Alcohol O R – C – O – H H – O – R’
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Reaction Carboxylic Acid Alcohol O – R’ R – C – O H – O – H
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Ester R-oate R’-yl O R – C – O – R’
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Ester R-oate R’-yl O R – C – O – R’ Functional Group:
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Ester R-oate R’-yl O R – C – O – R’ Functional Group: -COO-
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Ester R-oate R’-yl O R – C – O – R’ Functional Group: -COO-
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Ester R’-yl R-oate O R – C – O – R’ Functional Group: -COO-
R’-yl (derived from name of the Alcohol) R-oate (derived from name of the Carboxylic Acid) O R – C – O – R’ Functional Group: -COO-
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Reaction Ethanoic Acid Ethanol
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Reaction Ethanoic Acid + Ethanol H O H H H – C – C – O – H
H – O – C – C – H H H H
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Reaction Ethanoic Acid + Ethanol H O H H H – C – C – O – H
H – O – C – C – H H H H
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Reaction Ethanoic Acid + Ethanol H O H H H – C – C – O – C – C – H H H
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Reaction Ethanoic Acid + Ethanol H O H H H – C – C – O – C – C – H H H
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Reaction Ethanoate + Ethyl H O H H H – C – C – O – C – C – H H – O – H
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Reaction Ethanoate + Ethyl H O H H H – C – C – O – C – C – H H – O – H
Functional Group:
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Reaction Ethanoate + Ethyl H O H H H – C – C – O – C – C – H H – O – H
Functional Group: -COO-
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Reaction Ethanoate + Ethyl H O H H H – C – C – O – C – C – H H – O – H
Functional Group: -COO-
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Reaction Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H –
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Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O
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Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O
Chemical Formulae?
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Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O
RCOOR’
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Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O
CH3COOCH2CH3 or CH3COOC2H5
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Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O
CH3COOCH2CH3 or CH3COOC2H5
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