TS EAMCET · Chemistry · Solid State
In the structure of a solid, \(\mathrm{W}\) atoms are located at the cube corners of the unit cell, \(\mathrm{O}\) atoms are located at the cube edges and \(\mathrm{Na}\) atoms at the cube centres. The formula of the compound is
- A \(\mathrm{Na} \mathrm{WO}_3\)
- B \(\mathrm{Na} \mathrm{WO}\)
- C \(\mathrm{Na}_2 \mathrm{~W}_2 \mathrm{O}_2\)
- D \(\mathrm{Na}_2 \mathrm{WO}_3\)
Answer & Solution
Correct Answer
(A) \(\mathrm{Na} \mathrm{WO}_3\)
Step-by-step Solution
Detailed explanation
Contribution of \(\mathrm{W}\) atoms to the unit cell \(=8 \times \frac{1}{8}=1\) Contribution of \(\mathrm{O}\) atoms to the unit cell \(=12 \times \frac{1}{4}=3\) Contribution of \(\mathrm{Na}\) atoms to the unit cell \(=1\) Thus, the formula of the compound will be…
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