Acidified potassium dichromate is treated with hydrogen sulphide. In the reaction, the oxidation number of chromium Acidified potassium dichromate is treated with hydrogen sulphide. In the reaction the oxidation number of chromium December 2, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related