Practice question
Question
In 2Cr(OH)3 + 3H₂O₂ + 4NaOH → 2Na₂CrO₄ + 8H₂O, how many electrons are lost per chromium atom?
Explanation
Cr (+3 in Cr(OH)3) to +6 in CrO₄²−: change = +6 - (+3) = +3; each Cr loses 3 electrons.
Related blogs
Guides and insights connected to this topic
Animal Cell Structure, Diagram and Organelles – Definition, Types, Functions
Learn what defines an animal cell, its organelles, and how they differ from plant cells. Includes diagrams and clear explanations of cell structure and functions.
SARS-CoV-2 Coronavirus: Structure, Genome, Proteins, Replication, Pathogenesis, and Host Interaction
Coronavirus Overview Coronaviruses (CoVs) are enveloped viruses (surrounded by a lipid membrane derived from host cells), belonging to the s...
Coronavirus Structure, Genome, Replication, Symptoms, Pathogenesis, and Prevention
Structure of Coronavirus Coronaviruses (enveloped RNA viruses) fall in the virus family Coronaviridae, order Nidovirales. They are enveloped...