Question

Which is not the correct statement for ionic solids in which positive and negative ions are held by strong electrostatic attractive forces?

Accepted Answer

When coordination number is eight, the $\frac{{{r^ + }}}{{{r^ - }}}$ ratio lies between 0.225 to 0.414

Answer

The radius $\frac{{{r^ + }}}{{{r^ - }}}$ increases as coordination number increases

Answer

As the difference in size of ions increases, coordination number increases

Answer

In ionic solid of the type $AX\left( {{\rm{ZnS}},{\rm{Wurtzite}}} \right),$ the coordination number of ${\rm{Z}}{{\rm{n}}^{2 + }}$ and ${{\rm{S}}^{2 - }}$ respectively are 4 and 4

NEET UG CHEMISTRY MCQ: SOLID STATE

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