A solid is formed by two elements P and Q . The element Q forms cubic close packing and atoms of P occupy one third of tetrahedral voids. The formula

Question

A solid is formed by two elements P and Q . The element Q forms cubic close packing and atoms of P occupy one third of tetrahedral voids. The formula

A solid is formed by two elements P and Q . The element Q forms cubic close packing and atoms of P occupy one third of tetrahedral voids. The formula of the compound is
A. `PQ_3`
B. `P_3Q`
C. `P_2Q_3`
D. `P_3Q_2`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - C
Let the number of atoms in cubic close packing be x
`therefore` Numberof tetrahedral voids = 2x
Number of P atoms `=2/3x`
`("Number of P atoms")/("Number of Q atoms")=(2x)/(3x)=2/3`
Therefore, the formula of the compound is `P_2Q_3`.

4 views Answered 2023-02-05 15:29