MCQ
In calcium fluoride, having the fluorite structure, the coordination numbers for calcium ion $\ce{(Ca^{2+})}$ and fluoride ion $(F^-)$ are:
- ✓$8$ and $4$
- B$4$ and $8$
- C$4$ and $2$
- D$6$ and $6$
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Reason : It is the mechanism and not the balanced chemical equation for the overall change that governs the reaction rate.
| Column $I$ | Column $II$ | ||
| $(A)$ | Kohlrausch law can calculate | $(P)$ | $\frac{{\Lambda _m^c}}{{\Lambda _m^o}}$ |
| $(B)$ | Molar conductance ${\Lambda _m}$ | $(Q)$ | $\frac{1}{R} \times \frac{l}{A}$ |
| $(C)$ | Specific conductance Kappa $\to (k)$ | $(R)$ | $\Lambda _m^o\,of\,c{a_3}{(P{O_4})_2}$ |
| $(D)$ | Degree of ionization of weak electrolyte | $(S)$ | $\frac{{k \times 1000}}{M}$ |
Which of the following option show correct matches