1.

A compound M_p X_q has cubic close packing (ccp) arrangement of X. Its unit cell structure . The empirical formula of the compound is

Answer»

MX
`MX_2`
`M_2X`
`M_5X_14`

SOLUTION :No. of M ATOMS `{:(=4xx1/4,"" 1,=2),("(EDGE centres)","(body-centred)",):}`
No. of X atoms `{:(=8xx1/8,6xx1/2,=4),("(CORNERS)","(face-centres)",):}`
`THEREFORE` Unit formula =`M_2X_4` and empirical formula =`MX_2`


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