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Thursday, October 1, 2020

What are the others examples of NaCl type ionic salts ?

Most of the halides of alkali metals, oxides and sulphides of alkaline earth metals have this type of structures.

(1) Group 1st Halides ie NaI, KCl, RbI, RbF ( except Cs halides) .
(2) Group 2nd  oxide   MgO, CaO, BaO, SrO ( except BeO)
(3) Ammonium Halides ie NH4Cl ,NH4Br ,NH4I etc
(4) Silver Halides ie AgF, AgCl, AgBr ,( except AgI)
(5) Other examples , TiO ,FeO, NiO etc
 
Note: Ferrous oxide also has sodium chloride, types structure in which O-2 ions are arranged in ccp and Fe+2 ions occupy octahedral ions. However, this oxide is always non – Stoichiometric and has the composition Fe0.95  It can be explained on the assumption that some of the Fe+2 ion are replaced by 2/3rd as many Fe+3 ions in the octahedral voids.

Related topics:

SODIUM CHLORIDE (ROCK SALT TYPE) STRUCTURE:

ZINCE BLENDE (ZnS) TYPE STRUCTURE (SPHELERITE):

THE WURTIZE STRUCTURES (ZnS):

CAESIUM CHLORIDE (CsCl) STRUCTURE:

CALCIUM FLORIDE (FLORITE) STRUCTURE:

ANTIFLUORITE STRUCTURE (REVERE OF FLUORITE) Na2O:

SPINEL STRUCTURE :

 

 

 

 

 

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