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Chemical Bonding and Shapes of Molecules question

2015 · Q51

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IIT JAM
Chemistry
Chemical Bonding and Shapes of Molecules
2015 · Q51

Chemical Bonding and Shapes of Molecules question

2015 · Q51

IIT JAMChemistryChemical Bonding and Shapes of MoleculesNumerical+2 / −0

The ionic radii of Cs

^+

and Cl

^-

ions are 181 and 167 pm, respectively. The Born exponents for the He, Ne, Ar, Kr and Xe configurations are 5, 7, 9, 10 and 12, respectively. If the value of

\frac{ANe^2}{4\pi\varepsilon_0}

is

2.45 \times 10^{-4}

J m, the lattice energy (in kJ mol

^{-1}

) of CsCl according to Born-Landé equation is

\underline{\hspace{2cm}}

Numerical answer

View written solutionFree

Correct answer: -638.0, -636.0

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