ElectrochemistryOxidation Number1Choose the best answerThe apparent charge assigned to an atom in a molecule or ion is called its:AValencyBCoordination numberCOxidation numberDAtomic number Like 0 Discuss 0Share
ElectrochemistryCell Potential2Choose the best answerThe potential difference of an electrochemical cell is measured using a:AGalvanometerBCalorimeterCVoltmeterDAmmeter Like 0 Discuss 0Share
ElectrochemistryCalculation of Oxidation Number3Choose the best answerThe oxidation number of nitrogen in NO₃⁻ is:A+5B+3C+2D−3 Like 0 Discuss 0Share
ElectrochemistryElectron Flow in Galvanic Cell4Choose the best answerIn a Zn–Cu galvanic cell, electrons flow through the external circuit from:AZn electrode to Cu electrodeBCu electrode to Zn electrodeCSalt bridge to Zn electrodeDCu²⁺ solution to Zn²⁺ solution Like 0 Discuss 0Share
ElectrochemistryOxidation and Reduction5Choose the best answerIn the reaction: HI + H₂SO₄ → I₂ + SO₂ + H₂O which element is reduced?AHBICSDO Like 0 Discuss 0Share