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For an ionic ...

Question

For an ionic crystal of the general formula $A X$ and coordination number $6$ , the value of radius ratio will be:

Greater than

0.73

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Between

0.41

and

0.73

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Between

0.22

and

0.41

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Less than

0.22

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Solution

The correct option is B Between $0.41$ and $0.73$
The radius ratio for co-ordination number $4, 6$ and $8$ lies in between the ranges $[0.225 - 0.414], [0.414 - 0.732]$ and $[0.732 - 1]$ respectively.

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Similar questions

Q. For an ionic crystal of general formula

A X

and coordinate number

6

, the value of radius ratio will be

For an ionic crystal of the general formula AX and coordination number 6,the value of radius ratio will be

[MP PMT 1993]

Q. For an ionic crystal of general formula

AX

and co-ordination number

6

, the value of radius ratio will be:

Q. Which of the following are true for radius ratio

(\frac{r^{+}}{r^{-}})

i) If it is between

0.732

and

0.414

, then the coordination number is

6

and is octahedral.

ii) If it is above

0.732

and less than

1.00

, then coordination number is

8

and is cubic.

iii) If it is between

0.225

and

0.155

, then coordination number is

3

and is triangular.

iv) If it is between

0.732

and

0.878

, then coordination number is

8

and cubic.

Q. Find three rational numbers between the following numbers.
(i)

-

0.2 and

-

0.22

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For an ionic crystal of the general formula AX and coordination number 6, the value of radius ratio will be:

The correct option is B Between 0.41 and 0.73The radius ratio for co-ordination number 4,6 and 8 lies in between the ranges [0.225−0.414],[0.414−0.732] and [0.732−1] respectively.

For an ionic crystal of the general formula $A X$ and coordination number $6$ , the value of radius ratio will be:

The correct option is B Between $0.41$ and $0.73$
The radius ratio for co-ordination number $4, 6$ and $8$ lies in between the ranges $[0.225 - 0.414], [0.414 - 0.732]$ and $[0.732 - 1]$ respectively.