Q142. What is the oxidation state of chromium (Cr) in potassium chromate (K2CrO4) and potassium dichromate (K2Cr2O7), respectively?Chemistry — NUST Mock By Dogers 5 — Question 142 of 200A. +6, +6B. +3, +6C. +3, +3D. +6, +3Practice more Chemistry MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →