$C s B r$ has a $b c c$ structure with edge length of $43 p m$ . The shortest inter-ionic distance(in $p m$ ) between cation and anion is :

3.72

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1.86

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7.44

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4.3

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Solution

The correct option is A $3.72$
As we know,

The shortest inter ionic distance between $C s^{+}$ and $B r^{-}$ is given by-

$r_{_{C s^{+}}} + r_{_{B r^{-}}}$ $= \frac{\sqrt{3}}{2} a$

Distance between $C s^{+}$ and $B r^{-}$ $= \frac{\sqrt{3} a}{2} = \frac{\sqrt{3} \times 43}{2}$

$= 3.72 p m$

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Similar questions

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CsBr crystal has bcc structure. It has an edge length of The shortest interionic distance between is

[IIT 1995]

CsBr crystal has bcc structure. It has an edge length of $4.3 \circ A$ . The shortest interionic distance between $C s^{+}$ and $B r^{-}$ ions is

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