The bond length in the hbr molecule is 1.41 å. calculate the dipole moments, in debyes, if the charges on the h and br atoms were +1 and -1, respectively.

The Dipole moment is 6.77 Debyes.

Explanation:

Given bond length of HBr molecule = 1.41 A°,

We also know charges on H and Br(+1 and -1 respectively)

Charge on H  =  (+1) (absolute charge of electron);

Charge on Br  =  (-1) (absolute charge of electron);

Since absolute charge on electron = ;

Therefore charge on H = Coulomb;

charge on Br =

We know Dipole Moment = Charge Distance;

Here,

Distance = Bond Length = 1.41 A° = 1.41 ;

and charge on atom =   Coulomb;

Therefore,

Dipole Moment =  Distance Charge

Dipole Moment =  ;

Dipole Moment =   SI units.

The conversion factor of for SI units to Debye is 2.9989

Therefore,

Dipole Moment = 2.25882

Dipole Moment = 6.77 Debye.

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