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Factors Affecting Alpha

In the purifi...

Question

In the purification of NaCl, impure solution is saturated with HCl gas. The principle involved is

A

Common ion effect and low solubility of MgCl₂ and CaCl₂ when compared to NaCl

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B

Common ion effect and high solubility of MgCl₂ and CaCl₂ when compared to NaCl

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C

K_SP of NaCl is greater than that of MgCl₂

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D

K_SP of NaCl is greter than that of CaCl₂ but less than that of MgCl₂

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Solution

The correct option is B
Common ion effect and high solubility of MgCl₂ and CaCl₂ when compared to NaCl

As Ci^-1 concentration increases precipitation takes place

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