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Calculate the % ionic character in HC1 molecule for which the observed dipole moment is 3.57 x 10-30Cm and the bond length is 127.5 pm

Calculate the % ionic character in HC1 molecule for which the observed dipole moment is 3.57 x 10-30Cm and the bond length is 127.5 pm

Grade:12th pass

1 Answers

varun
304 Points
6 years ago
HELLO,
first we will assume that this molecule is 100% ionic 
the dipole moment is U=Q.r
                                U=1.602x10^-19 x 127.5x10^-12m
                                    =2.04259 x10^-29cm
but actual dipole moment of HCL =3.57X10^-30 cm
 
therefore,% of ionic character of HCL
  =actual dipole moment/calculated dipole moment X 100
  =3.57X10^-30/2.04259X10^-29 X 100
  =17.478%
so the answer is 17.478%
THANK YOU

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