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The radius of a di val ent cation M^(2+)...

The radius of a di val ent cation `M^(2+)` is 94 pm and of divalent anion `X^(2-)` is 146 pm. Thus, `M^(2)X^(2-)` has

A

rock salt (NaCl) structure

B

zinc blend structure

C

antifluorite structure

D

bcc (CsCl) structure

Text Solution

Verified by Experts

The correct Answer is:
A
Radius ratio of rock salt structure, `r^(+)//r^(-)=0.414` to 0.732
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Knowledge Check

  • The minimum value of the function m ax (x, x^(2)) is equal to

    A
    0
    B
    1
    C
    2
    D
    `1//2`

  • If the product of roots of the equation mx^(2)+6x+(2m-1)=0 is -1 then the value of m is

    A
    `1//3`
    B
    1
    C
    3
    D
    `-1`

  • The values of m for which exactly one root of equation x^(2)-2mx+m^(2)-1=0 lies in the interval (-2,4) lies in

    A
    `(-oo, oo)`
    B
    `(-3, -1)`
    C
    (3,5)
    D
    `(-3, -1) uu (3,5)`

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