9 ALDEHYDES AND KETONES
9 ALDEHYDES AND KETONES
9 ALDEHYDES AND KETONES
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O<br />
N-OH<br />
+ HO-NH 3+ Cl - ⎯→<br />
-Cannizzaro Reaction<br />
1) 60%KOH<br />
C 6 H 5 CHO ⎯⎯⎯⎯⎯→ C 6 H 5 COOH + C 6 H 5 CH 2 OH<br />
2) H 3 O +<br />
-Oxidation of Aldehydes<br />
CH 3 CH 2 CH 2 CHO + KMnO 4 → CH 3 CH 2 CH 2 COOH<br />
2Ag(NH 3 )<br />
+<br />
2<br />
CH 3 CH=CHCHO ⎯⎯⎯⎯→ CH 3 CH=CHCOO - + 2Ag + 4NH 3 +<br />
3OH -<br />
2H 2 O