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Byju's Answer

Standard XII

Chemistry

Chemical Properties of Boron Family

Assertion :In...

Question

Assertion :In the body-centered cubic type structure of CsCl, the $C s^{+}$ ions are present in central octahedral void. Reason: In CsCl, the $C s^{+}$ ion is at body-centered position and $C l^{-}$ at corners.

Read the above assertion and reason and choose the correct option regarding it.

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 incorrect but Reason is correct

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Both Assertion and Reason are incorrect

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Solution

The correct option is C Assertion is incorrect but Reason is correct
In body centred cubic type structure of CsCl, the $C s^{+}$ ions are present in the central Cubic void and the $C l^{-}$ ions are present at the corners.

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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.

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

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In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct answer out of the following choices.

(a) Assertion and Reason both are correct statements and Reason is correct explanation for Assertion.

(b) Assertion and Reason both are correct satements but Reason is not correct explanation for Assertion.

(d) Assertion is wrong statement but Reason is correct statement.

Assertion (A) Total number of octahedral voids present in unit cell of cubic close packing including the one that is present at the body centre, is four.

Reason (R) Besides the body centre there is one octahedral void present at the centre of each of the six faces of the unit cell and each of which is shared between two adjacent unit cells.

Assertion: All the points (1, 0), (-1, 0), (2, 0) and (5, 0) lie on the x – axis.

Reason: Equation of the x – axis is y = 0
Now, choose the correct option.

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Assertion :In the body-centered cubic type structure of CsCl, the Cs+ ions are present in central octahedral void. Reason: In CsCl, the Cs+ ion is at body-centered position and Cl− at corners.Read the above assertion and reason and choose the correct option regarding it.

The correct option is C Assertion is incorrect but Reason is correctIn body centred cubic type structure of CsCl, the Cs+ ions are present in the central Cubic void and the Cl− ions are present at the corners.

Assertion :In the body-centered cubic type structure of CsCl, the $C s^{+}$ ions are present in central octahedral void. Reason: In CsCl, the $C s^{+}$ ion is at body-centered position and $C l^{-}$ at corners.

Read the above assertion and reason and choose the correct option regarding it.

The correct option is C Assertion is incorrect but Reason is correct
In body centred cubic type structure of CsCl, the $C s^{+}$ ions are present in the central Cubic void and the $C l^{-}$ ions are present at the corners.