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Examples of Ionic Compounds

A compound ha...

Question

A compound having radius ratio, $(\frac{r^{+}}{r^{-}})$ in the range of $0.732 - 1$ generally has $C s C l$ structure.

A

True

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B

False

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Solution

The correct option is B False
A compound having the radius ratio in the range $0.732 - 1$ has the co-ordination number $8$ with cubic void and general $C s C l$ structure.

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Similar questions

Q. A salt AB crystallises in the CsCl structure. The anions at the corners and the cation in the centre, hence radius ratio

(\frac{r_{t}}{r})

Q. Which of the following have their radius ratio not in this range of

0.414 - 0.732

(NaCl type) structure but still possess NaCl type structure?

Q. A crystalline structure has radius ratio (

r_{+} / r_{-}

) in the range of

0.225 - 0.414

. The coordination number and arrangement of anions around the cations are:

A B

N a C l

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C s C l

r_{A} | r_{B} = 5

r_{X} | r_{B} = 0.75

then what is the ratio of edge length of unit cell of

A B

X B

.

Q. An ionic compound is expected to have tetrahedral structure if

\frac{r_{+}}{r_{-}}

lies in the range of:

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