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Inorganic Chemistry

Blazing goIITian

Joined:	10 Nov 2008
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9 Jan 2010 14:40:42 IST

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the distance between a Na+ and a Cl- ion in a crystal of NaCl is X pm.Then the length of the edge wi

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the distance between a Na+ and a Cl- ion in a crystal of NaCl is X pm.Then the length of the edge will bea)X/2b)2Xc)4Xd)X/4

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Abhishek S

Blazing goIITian

Joined: 10 Nov 2008

Posts: 658

10 Jan 2010 12:00:24 IST

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pls..

AViK

Blazing goIITian

Joined: 5 Sep 2008

Posts: 953

11 Jan 2010 20:37:29 IST

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Na⁺ ions are on the cell edges /centre in a rock salt structure,

a = 2(radius Na⁺) + 2(radius Cl^-)

Given .....(radius Na⁺) + (radius Cl^-) = X

=> a =2X

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