(A) : CdS and As_(2)S_(3) both have yellow colour and precipitated by – InterviewSolution

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1.	(A) : CdS and As_(2)S_(3) both have yellow colour and precipitated by passing H_(2)S through solution in dil HCl. ® : Both can be separated by yellow ammonium sulphide.
Answer» Solution :`Cd^(2+)` BELONGS to group IIA `As^(3+)` belongs to group IIB

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