K4(Fe(CN)6) is used to detect (a) Cu 2+ (b) As 3+ (c) Zn 2+ (d) Fe 3+ K4(Fe(CN)6) is used to detect (a) Cu 2+ (b) As 3+ (c) Zn 2+ (d) Fe 3+ December 6, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related