Assertion :In $C s C l$ crystal, the co-ordination number of $C s^{+}$ ions is $8$ . Reason: $C l^{-}$ ions in $C s C l$ adopt face centred cubic structure.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is C Assertion is correct but Reason is incorrect
Both the ions in $C s C l$ have a coordination number of $8$ .
$C l^{-}$ in $C s C l$ form simple cubic laatice.

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Similar questions

In this question, an Assertion (A) is followed by a corresponding Reason (R). Choose the appropriate option.

Assertion (A): In $C s C l$ crystal, the coordination number of $C s^{\oplus}$ ion is 8.

Reason (R): $C l^{⊖}$ ions in $C s C l$ adopt bcc type of packing.

H_{2}

H e

(1 + \frac{P b}{R T})

H_{2}

H e

{SiO}_{2}

{CaCO}_{3}

CaO

{CaCO}_{3}

{SiO}_{2}

{2n}^{2}

Assertion – The non-fusible impurities present in iron ore are removed by $C a C O_{3}$ .

Reason: $C a C O_{3}$ which decomposes into $C a O$ and $C O_{2}$ . The $C a O$ formed reacts with $S i O_{2}$ to remove silica

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