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Summary AQA A level chemistry organic analysis full revision notes
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A helpful and comprehensive set of revision notes covering the entire organic analysis unit of AQA A level chemistry
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Organuc Analusisl6. 1TEST TUBE REACTIONS, I6.2 MASS SDECTROMETRY
chemcad Tests for tunctonal qroups
Alkene - shace with bromne water
Orange tucns colousless
Haloqenoalkane add acidified Aq NOz
prcupitate of Ag Xforms
Alcohol - add acudif1ed kceQ,
orange colow turns qreen with prmayr secondary
aohols or with aldehydes
Aldenyde wara wth Felalnq's solution
blue cclor tuns to ed prepitate
warm Lwith Iolen's solution
Silver mirror toms
Caboxyi auds- cdd Natco, (oq)
-l0, qiven off (test with Lmewate)
Mass Spetrometay
’ also usec to find relatve mcleular mass of organit cOvapound
-lonisotion The output is then presented asa qraph
- Acclerotion bt relatwe abundana aganst mass/chace
- Eliaht ratio le{fect1vely relatue mass).
Detection
tragnentaton ons break up as some bonds break as theu
IDAise, so there are other ions ot Smale maleulr mass.
Moleulos on- eq cthono forms ion CzlHsOH
High resoution muss spectrom ekry
measure to three cr fow decmnad places
used to wore out moleuler formua of pant ion tom
occurate rlat1ve molenlor mass with compute data base
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