1.

Assertion: Sometimes a white turbidity is obtained when a solution is prepared in water. Reason: Pb^(2+) catinos are precipitate as PbCl_(2) which is sparingly solution in water.

Answer»

If assertion is TRUE but the reason is false
If assertion is false but reason is true
If both assertion and reason are true and reason is the correct explanation of assertion
If OTH assertion and reason are true but reason is not the correct explanation of assertion

Solution :The white ppt. is due to the formation of the BiOCl or SbOCl
`BiCl_(3)+H_(2)O HARR BiOCl+2HCl`
`SbCl_(3)+H_(2)O hArr SbOCl+2HCl`
`Pb^(2+)+2Cl^(-) to PbCl_(2)darr`


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