The dipole moment (μ) of hbr (a polar covalent molecule) is 0.851d (debye), and its percent ionic character is 12.6 % . estimate the bond length of the h−br bond in picometers. note that 1 d=3.34×10−30 c⋅m and

Bond length of HBr = 141 pm

Explanation:

measured dipole moment of HBr = 0.851 D

therefore,

dipole moment of HBr in C.m is,

dipole moment is related with charge and bond length as follows:

Here Q is charge and r is interatomic distance or bond length

In case of HBr, Q is 1.6×10^-19 C.

Calculate diople moment HBr, as follows:

Bond length of HBr is 141 pm