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MgO exists in a rock- salt type unit cel...

`MgO` exists in a rock- salt type unit cell .Each `Mg^(+2)` ion will be is contact with be in contact with

A

`4 O^(-2)` ions

B

`6 O^(-2)` ions

C

`8 O^(-2)` ions

D

`2 O^(-2)` ions

Text Solution

Verified by Experts

The correct Answer is:
b
`C.N` of cation and anion is six in rock salt structure .
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A2Z-SOLID STATE-Structure, Coordination Number, Radious Ratio Rule, Density Of Unit Cell
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  2. An element (atomic mass = 100 g//mol) having bcc structure has unit ce...

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  4. An AB(2) type structure is found in

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  11. For unit cell of a NaCI lattice

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  12. How many molecules are there in the unit cell of sodium chioride?

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  13. The number of atoms in 100 g of an fcc crystal with density = 10.0g cm...

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  14. Structure of ZnS is

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  15. The intermetallic compound LiAg crystallizes in cubic lattice in which...

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  16. For an ionic crystan of the type AB , the value of (limiting) earius r...

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  17. Potassium has a bcc structure with nearest neighour distance 4.52 Åits...

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