Choral (CCl3CHO) has no alpha hydrogen but can not give cannizzaro's reaction ?

 

When Chloral Boiled with NaOH gives Haloform Reaction. Here CCl3 (-)  group is Very Good Leaving group hence cannizzaro not possible 

CANNIZZARO REACTION: DISPROPORTIONATION:

(1) Introduction:

(2) Mechanism:

(3) Condition for cannizaro reaction:

(4) Illustrative Examples

(5) Crossed Cannizzaro reaction

(6) Intramolecular cannizaro reaction: