Creating an Ester Year 10 Science.

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Presentation transcript:

Creating an Ester Year 10 Science

R Groups

R Groups Meth C1 Eth C2 Prop C3 But C4 Pent C5 Hex C6 Hept C7 Oct C8 Non C9 Dec C10

Word Equation

Word Equation Alcohol + Carboxylic Acid  Ester + Water

Word Equation Chemical Equation Alcohol + Carboxylic Acid  Ester + Water Chemical Equation O O H2SO4 R’-OH + R-C-OH R-C-O-R’ + H2O

Word Equation Example: Ethanol + Ethanoic Acid  Ethyl Ethanoate + Water

Alcohol

Alcohol Functional Group:

Alcohol Functional Group: – OH

Alcohol Ethanol

Alcohol Ethanol Chemical Formula?

Alcohol Ethanol ROH

Alcohol Ethanol C2H5OH

Alcohol Ethanol Chemical Structure? C2H5OH

Alcohol Ethanol H – O R C2H5OH

Alcohol Ethanol H H H – O C - C H H H C2H5OH

Alcohol Ethanol H H H – O C - C H H H C2H5OH Functional Group?

Alcohol Ethanol H H H – O C - C H H H C2H5OH

Carboxylic Acid

Carboxylic Acid Functional Group:

Carboxylic Acid Functional Group: – COOH

Carboxylic Acid Ethanoic Acid

Carboxylic Acid Ethanoic Acid Chemical Formula?

Carboxylic Acid Ethanoic Acid RCOOH

Carboxylic Acid Ethanoic Acid CH3COOH

Carboxylic Acid Ethanoic Acid Chemical Structure? CH3COOH

Carboxylic Acid Ethanoic Acid O R - C O – H CH3COOH

Carboxylic Acid Ethanoic Acid H O H C - C O – H H CH3COOH

Carboxylic Acid Ethanoic Acid O H O – H H C - C H CH3COOH Functional Group?

Carboxylic Acid Ethanoic Acid H O H C - C O – H H CH3COOH

Reaction Carboxylic Acid + Alcohol

Reaction Carboxylic Acid + Alcohol O R – C – O – H H – O – R’

Reaction Carboxylic Acid + Alcohol O R – C – O – H H – O – R’

Reaction Carboxylic Acid + Alcohol O – R’ R – C – O H – O – H

Ester R-oate + R’-yl O R – C – O – R’

Ester R-oate + R’-yl O R – C – O – R’ Functional Group:

Ester R-oate + R’-yl O R – C – O – R’ Functional Group: -COO-

Ester R-oate + R’-yl O R – C – O – R’ Functional Group: -COO-

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-

Reaction Ethanoic Acid + Ethanol

Reaction Ethanoic Acid + Ethanol H O H H H – C – C – O – H H – O – C – C – H H H H

Reaction Ethanoic Acid + Ethanol H O H H H – C – C – O – H H – O – C – C – H H H H

Reaction Ethanoic Acid + Ethanol H O H H H – C – C – O – C – C – H H H

Reaction Ethanoic Acid + Ethanol H O H H H – C – C – O – C – C – H H H

Reaction Ethanoate + Ethyl H O H H H – C – C – O – C – C – H H – O – H

Reaction Ethanoate + Ethyl H O H H H – C – C – O – C – C – H H – O – H Functional Group:

Reaction Ethanoate + Ethyl H O H H H – C – C – O – C – C – H H – O – H Functional Group: -COO-

Reaction Ethanoate + Ethyl H O H H H – C – C – O – C – C – H H – O – H Functional Group: -COO-

Reaction Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H –

Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O

Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O Chemical Formulae?

Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O RCOOR’

Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O CH3COOCH2CH3 or CH3COOC2H5

Ester Ethyl Ethanoate + Water H O H H H – C – C – O – C – C – H H – O CH3COOCH2CH3 or CH3COOC2H5