The correct option is C Formed precipitate Pb(OH)2 is insoluble in excess NaOH
For ZnSO4NaOHNH4OHColourGelatinous ppt.Gelatinous ppt.SolubilityPrecipitate formed will bePrecipitate formed will be soluble in excess NaOHinsoluble in excess NH4OH
For Pb(NO3)2NaOHNH4OHColourChalky white pptChalky white ppt.SolubilityPrecipitate formed will bePrecipitate formed will be soluble in excess NaOHinsoluble in excess NH4OH