Dipole moment of hbr is 2.60 * 10^-30 cm, and the interatomic spacing is 140pm .What is per cent of ionic character
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HBr is an ionic compound in which H has + 1 and Br has -1 ion
e.g charge one each have equal to charge of one electron or charge of proton .
dipole moment =charge x distance between them
=1.6 x 10^-19 x 141 x 10^-12 Cm
=225.6 x 10^-31 Cm
=22.56 x 10^-30 Cm
now,
% of ionic characters
=dipole moment by experimental/dipole moment by theoretical x100
=(2.6 x 10^-30/22.56 x 10^-30 ) x 100
=260/22.56 %
=11.52 %
e.g charge one each have equal to charge of one electron or charge of proton .
dipole moment =charge x distance between them
=1.6 x 10^-19 x 141 x 10^-12 Cm
=225.6 x 10^-31 Cm
=22.56 x 10^-30 Cm
now,
% of ionic characters
=dipole moment by experimental/dipole moment by theoretical x100
=(2.6 x 10^-30/22.56 x 10^-30 ) x 100
=260/22.56 %
=11.52 %
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