Physics, asked by vikas5110541, 1 year ago

why a schottky defect is formed when calcium chloride is added to silver chloride crystal?

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Answered by BrainlyFIRE
1
hiiiii mate

When AgCl and CaCl2 are mixed, each added ion of Ca2+ replaces Ag+ as they have similar radii. Since the charge of Ca and Ag is +2 and +1 respectively, it leads to the formation of positive vacancies (schottky defect) according to the reaction,

CaCl2 + 2AgCl -> Ca0 Ag + 2Clx Cl + V+ Ag whcih means that one mole of CaCl2 provides one mole of Ag vacancies in crystal structure


Answered by mantasakasmani
0
When Agcl and cacl2 are mixed,each added ion of ca2+ replaces ag+.
since the charge of ca and ag is +2,+1 respectively,as they have similar radii.
The formation of positive it leads to the vacancies(Schottky defect) accordingly reaction:
cacl2+2Agcl-> caO Ag+2 clx cl+v+ Ag
Which mean one mole of cacl2 provides one mole of ag vacancies in Crystal structure.

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