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Salt Bridge

40.Which one ...

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40.Which one of the following statements is incorrect about rock salt type ?(A)It has fcc arrangement of Na+. (B)Na+ and CL- ions have a co-ordination number of 6:6 .(C) A unit cell of NaCl consists of four NaCl units. (D) All halides of alkali metals have rock salt type structure.

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Q. The co-ordination number of

N a^{+}

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N_{A}

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Q. In the rock salt structure of NaCl, the co-ordination number of Na⁺ and Cl^– respectively are

NaCl की खनिज लवण संरचना में, Na⁺ तथा Cl^– की समन्वय संख्या क्रमशः हैं

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