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An ionic compound is formed between a me...

An ionic compound is formed between a metal M and a non-metal Y. If M occupies half the octahedral voids in the cubic close-packed arrangement formed by Y, the chemical formula of the ionic compound is

A

MY

B

`MY_(2)`

C

`M_(2)Y`

D

`MY_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
As ccp Z (effective atoms) = 4
Octahedral voids = 4
M occupies half O.V. `=4 xx 1/2 = 2` atoms.
Y forms ccp = 4 toms
Hence, `MY_(2)`
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