in not given decompn. of AgPO2(NH2)2 with H2S, pptn. with alcohol;;

in not given addn. of 57 percent HBr drop by drop to a suspension of AgPO2(NH2)2 on stirring;; filtration of formed AgBr; addn. of 150 ml ethanol; pptn. on cooling with ice; washing the crystals with 70 percent ethanol, drying in vacuum;;

in not given decompn. of AgPO2(NH2)2 with H2S, pptn. with alcohol;;

in not given addn. of 57 percent HBr drop by drop to a suspension of AgPO2(NH2)2 on stirring;; filtration of formed AgBr; addn. of 150 ml ethanol; pptn. on cooling with ice; washing the crystals with 70 percent ethanol, drying in vacuum;;