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Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StateGeneralEasy2 minPYQ_2020

ChemistryEasysingle choice

$r_{N a^{+}} = 195 p m$ and $r_{C l^{-}} = 281 p m$ in $N a C l$ (rock salt) structure. What is the shortest distance between $N a^{+}$ ions?

Options:

Answer:

Solution:

The shortest distance between two $N a^{+} i o n = \frac{1}{2} f a c e - d i a g o n a l$

$= \frac{1}{2} \times \sqrt{2} \{2 (r_{N a^{+}} + r_{c r})\}$

$= \sqrt{2} (195 + 281) p m = 673.06 p m$

Stream:NTA_ABHYASSubject:ChemistryTopic:Solid StateSubtopic:General

⏱ 2mℹ️ Source: PYQ_2020

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