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Standard XII

Chemistry

Coordination Number

The two ions ...

Question

The two ions $A^{+}$ and $B^{-}$ have radii $88$ pm and $200$ pm respectively. In the closed packed crystal of compound $A B$ , predict the co-ordination number of $A^{+}$ .

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Solution

Now in this question we will use $[ρ = \frac{r_{s m a l l}}{r_{l a r g e}}]$ to predict the coordination number.
here,ratio is $[ρ = \frac{88}{200}] = 0.44$
As we know if radius ratio is between $0.41$ to $0.73$ then the coordination number of the ion will be 6.

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The two ions A+ and B− have radii 88 pm and 200 pm respectively. In the closed packed crystal of compound AB, predict the co-ordination number of A+.

Now in this question we will use [ρ=rsmallrlarge] to predict the coordination number.here,ratio is [ρ=88200]=0.44As we know if radius ratio is between 0.41 to 0.73 then the coordination number of the ion will be 6.

The two ions $A^{+}$ and $B^{-}$ have radii $88$ pm and $200$ pm respectively. In the closed packed crystal of compound $A B$ , predict the co-ordination number of $A^{+}$ .

Now in this question we will use $[ρ = \frac{r_{s m a l l}}{r_{l a r g e}}]$ to predict the coordination number.
here,ratio is $[ρ = \frac{88}{200}] = 0.44$
As we know if radius ratio is between $0.41$ to $0.73$ then the coordination number of the ion will be 6.