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FRIDAY 16 TH MARCH 2012 12:01 PM GMT 4 SUBSTANCES… ―P―P ROPAN-1-OL ―P―P ROPANONE ―P―P ROPANAL ―P―P ROPANOIC ACID.

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Presentation on theme: "FRIDAY 16 TH MARCH 2012 12:01 PM GMT 4 SUBSTANCES… ―P―P ROPAN-1-OL ―P―P ROPANONE ―P―P ROPANAL ―P―P ROPANOIC ACID."— Presentation transcript:

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2 FRIDAY 16 TH MARCH 2012 12:01 PM GMT

3 4 SUBSTANCES… ―P―P ROPAN-1-OL ―P―P ROPANONE ―P―P ROPANAL ―P―P ROPANOIC ACID

4 THE FATE OF THE FREE WORLD RESTS UPON THEIR IDENTIFICATION

5 ARMED WITH A MASS AND INFRARED SPECTROMETER, THE GOVERNMENT DESPERATELY TRIES TO IDENTIFY THE 4 SUBSTANCES. TIME IS RUNNING OUT…

6 IN A LAST DITCH ATTEMPT THEY CALL IN THEIR ANALYTICAL EXPERT… …RELATIVELY ATOMIC MATT

7 INITIALLY HE IDENTIFIES THE COMPOUNDS DISPLAYED FORMULAE, USING THEIR SYSTEMATIC NAMES TO IDENTIFY THEIR FUNCTIONAL GROUPS

8 HIS FIRST ANALYSIS… PROPAN-1-OL: 1-OL SUFFIX IS INDICATIVE OF A HYDROXYL FUNCTIONAL GROUP ATTACHED TO CARBON 1, PRESENT IN PRIMARY ALCOHOLS. PROPANONE: -ONE SUFFIX INDICATES COMPOUND IS A KETONE, HAVING A C=O BOND TO A SECONDARY OR TERTIARY CARBON ATOM. PROPANAL: NAME SUGGESTS THREE CARBON ALDEHYDE,THEREFORE C=O BOND ON A PRIMARY CARBON ATOM. PROPANOIC ACID: -ANOIC ACID SUFFIX INDICATES COOH FUNCTIONAL GROUP, PRESENT IN CARBOXYLIC ACIDS.

9 PROPAN-1-OL PROPANONE PROPANAL PROPANOIC ACID -OH GROUP ON CARBON 1 C=O BOND ON SECONDARY CARBON C=O BOND ON PRIMARY CARBON OH GROUP ON SAME CARBON (COOH GROUP) ALCOHOL KETONE ALDEHYDE CARBOXYLIC ACID

10 NOW THAT THE COMPOUNDS STRUCTURES ARE KNOWN, RAM CAN MATCH THE INFRARED SPECTRA TO THE SAMPLE MOLECULES. HE FIRST REQUIRES AN OCR DATASHEET…

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15 IR SPECTRA RESULTS PROPAN-1-OL PROPANONE PROPANAL PROPANOIC ACID

16 FINALLY RAM MUST CONDUCT A MASS SPECTROMETRY TEST. IN THIS TEST THE SAMPLES ARE BOMBARDED WITH AN ELECTRON GUN THEN SMASHED INTO AN ION DETECTOR

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22 THANKS TO THE FAST IDENTIFICATION OF THE 4 SUBSTANCES BY RELATIVELY ATOMIC MATT, THE FREE WORLD REMAINS FREE… …UNTIL NEXT TIME…


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