Sodium nitroprusside, when added to an alkaline solution of sulphide ions, produces purple colour ion due to the formation of produces purple colour ion due to the formation of Sodium nitroprusside when added to an alkaline solution of sulphide ions December 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related