Statement I : A colloidal sol of As2S3 is coagulated faster by 0.1 M BaCl2 than by 0.1 M NaCl.Statement II : BaCl2 gives same number of Cl– ions as NaCl
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a
Statement I and II are correct
b
Statement I is correct and II is incorrect
c
Statement - I is incorrect and Statement - II is correct
d
Both statement - I and II are incorrect
answer is B.
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Detailed Solution
As2S3 is a negative solvalencey of opposite ion Ba+2 > Na+ coagulation power of BaCl2 > coagulation power of NaClI is true II is false