On heating K4(Fe(CN)6) with conc. H2SO4 gives the gas (a) SO2 (b) CO2 (c) CO (d) NO2 On heating K4(Fe(CN)6) with conc. H2SO4 gives the gas (a) SO2 (b) CO2 (c) CO (d) NO2 December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,