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:

Arrange the following as decreasing order of dipole moment of Chlorine derivatives of Methane Molecule?

As no. of C-Cl bonds increases the net dipole moment decreases.

CH 3Cl > CH2Cl2 > CHCl3 > CCl4 . 

Related Questions:

(1) The Dipole moment of Chloromethane is more than Fluoromethane. Explain.

(2) CO2 has got dipole moment of zero why?

(3) Dipole moment of CCl4 is zero while that of CHCl3 is non zero. explain.

(4) Compare the dipole moment of H2O and F2O.

(5) Which has more dipole moment of NH3 or NF3?

(6) Which NH3 and NF3 have the highest dipole moment and why?

(7) Why dipole moment of NH3 is lower than NH3?

(8) What is the difference of dipole moment of NH3 and NF3 respectively?

(9) Among CH3OH, CH4, CF4, CO2 and CH3F, which has the highest dipole moment?