Calculate the bond length of `C-X` bond, if `C-C` bond length is `1.54 Å, X -X` bond length is `1.00 Å` and electronegativity values of `C` and `X` are `2.0` and `3.0` respectively.

Explanation

(1) `C-C` bond length `=1.54Å`
`r _(c) = (1.54)/(2) = 0.77Å`
`r _(x) = (1.00)/(2) = 0.50Å`
(2) C - X vond length
`d _(c=x) = r_(c) + r_(x) -0.09 (X_(x)-X_(c))`
`=0.77 +0.50 -0.09(3-2)`
`=0.77+0.50 -0.09 xx`
`= 1.27 - 0.09 =1.18Å`
Thus C - X bond length is `1.18Å`