Question:

Unknown salt A K Cr O conc H SO Reddish brown fumes Which is

Last updated: 6/27/2023

Unknown salt A K Cr O conc H SO Reddish brown fumes Which is

Unknown salt A K Cr O conc H SO Reddish brown fumes Which is the correct statement regarding the above observation 1 It confirms the presence of Cl ion 2 It confirms the presence of Brion 3 It confirms the presence of both 4 It neither confirms Cl nor Br unless it is passed through NaOH solution