Moderate

+3 and +5 oxidation states are often shown by:

Correct answer: A. Cl

  • A. Cl
  • B. F
  • C. Zn
  • D. Cu

Explanation

Chlorine (Cl): Chlorine is a halogen and can exhibit a variety of oxidation states, including +3 and +5. For example, in chlorates (ClO₃⁻), chlorine has an oxidation state of +5.

Last updated

About Electrochemistry

Electrochemistry describes electron transfer through oxidation and reduction, identifies oxidizing and reducing agents, and applies oxidation numbers to balance redox equations. It also covers electrode potential and the standard hydrogen electrode, which provides the reference for comparing the reduction tendencies of other electrodes.

Practise Electrochemistry

696 free Electrochemistry MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Chemistry questions like this

Chemistry is on 12 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions