TS EAMCET · Chemistry · Solid State
If the distance between \(\mathrm{Na}^{+}\)and \(\mathrm{Cl}^{-}\)ions in sodium chloride crystal is ' \(Y\) ' \(\mathrm{pm}\). The length of the edge of the unit cell will be
- A \(4 Y \mathrm{pm}\)
- B \(2 \mathrm{Y} \mathrm{pm}\)
- C \(\frac{Y}{4} \mathrm{pm}\)
- D \(\frac{\mathrm{Y}}{2} \mathrm{pm}\)
Answer & Solution
Correct Answer
(B) \(2 \mathrm{Y} \mathrm{pm}\)
Step-by-step Solution
Detailed explanation
\(\because\) In sodium chloride crystal, the distance \(\because \mathrm{NaCl}\) has fec structure in which \(\mathrm{Na}^{+}\)occupies all octahedral voids, while \(\mathrm{Cl}^{-}\)ions are present at all corners and edge centers. If, edge length \(=a\) The distance between…
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