What is the coordination number of each type of ions in a rock-salt type crystal structure?

What is the coordination number of each type of ions in a rock-salt ty

1.	What is the coordination number of each type of ions in a rock-salt type crystal structure?
Answer» Rock salt type crystal structure has 6:6 coordination number of each type of ion. Example : In NaCl, coordination no. of `Na^(+)=6` and coordination no. of `Cl^(-)=6`.

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(i) Arrange the following compounds in an increasing order of basic strength : `C_(6)H_(5)NH_(2), C_(6)H_(5)N(CN_(3))_(2), (C_(2)H_(5))_(2)NH and CH_(3)NH_(2)` (ii) Arrange the following compounds in a decreasing order of `pK_(b)` values: `C_(2)H_(5)NH_(2), C_(6)H_(5)NHCH_(3), (C_(2)H_(5))_(2) NH and C_(6)H_(5)NH_(2)`
Rerrange the following in an increasing order of their basic strengths: `C_(6)H_(5)NH_(2),C_(6)H_(5)N(CH_(3))_(2),(C_(6)H_(5))_(2)` NH and `CH_(3)NH_(2)`.
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What is the coordination number of each type of ions in a rock-salt type crystal structure?

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