ELECTOROCHEMISTRY 1. Which of the following elements in the given reaction is reduced? ZnO + H2→ Zn+H₂O H2 Zno Zn O 2. The oxidation state of Cr in K2Cr2O7 is +12 +6 +3 -6 3. Which of the following changes reaction is an example of oxidation. Chlorine molecule to chloride ion Silver atoms to silver (I) ion Oxygen molecule to oxide ion Iron (III) ion to iron (II) ion 4. In which of the following changes, the nitrogen atom is reduced. N₂ to NO N₂ to NO₂ N2 to NH3 N₂ to HNO3 5. Consider the following reaction: H2S + Cl₂ →2HCI+S Reducing agent Oxidizing agent Catalyst Electrolyte Loading … Question 1 of 5 Related Questions: ATOMIC STRUCTURE Nature of Science in Chemistry MCQ PERIODIC TABLE AND PERIODICITY OF PROPERTIES Matter MCQ CHEMICAL BONDING STOICHIOMETERY ENERGETICS
