logo

CuriousTab

CuriousTab

Discussion

Home ‣ General Knowledge ‣ Chemistry See What Others Are Saying!
  • Question

  • Which half reaction correctly represents reduction?


  • Options
  • A. Fe2+ + e- ---> Fe3+
  • B. Au3+ + 3e? ---> Au
  • C. Ag ---> Ag+ + e-
  • D. All of the above

  • Correct Answer
  • Au3+ + 3e? ---> Au 

    Explanation

    A half reaction is either the oxidation or reduction reaction component of a redox reaction. A half reaction is obtained by considering the change in oxidation states of individual substances involved in the redox reaction.

    • Tags: AIEEE, Bank Exams, Analyst, Bank Clerk, Bank PO

    More questions

    • 1. The phenomenon of an opening occurring in the earth's surface through which a jet of hot water and steam is forces out at irregular intervals is called

    • Options
    • A. crater
    • B. geyser
    • C. hot spring
    • D. volcano
      • Discuss
    • 2. Plants developing in dry conditions are

    • Options
    • A. xerophytes
    • B. mesophytes
    • C. lithophytes
    • D. hydrophytes
      • Discuss
    • 3. Which country has the largest coast line?

    • Options
    • A. USA
    • B. Australia
    • C. Canada
    • D. India
      • Discuss
    • 4. During the first crusade, crusaders reached Jerusalem and captured it in

    • Options
    • A. 1000 AD
    • B. 1099 AD
    • C. 1200 AD
    • D. 1515 AD
      • Discuss
    • 5. Vikramaditya, a king of Ujjain, started the Vikrama samvat in 58 BC in commemoration of his victory over


    • Options
    • A. Indo-Greeks
    • B. Sakas
    • C. Parthinas
    • D. Kushanas
      • Discuss
    • 6. Since 1983, the RBI's responsibility with respect to regional rural banks was transferred to


    • Options
    • A. ARDC
    • B. SBI
    • C. NABARD
    • D. PACs
      • Discuss
    • 7. The largest gulf in the world is


    • Options
    • A. Gulf of Mexico
    • B. Persian Gulf
    • C. Gulf of Carpentaria
    • D. Gulf of Mannar
      • Discuss
    • 8. How long are professional Golf Tour players allotted per shot?

    • Options
    • A. 45 seconds
    • B. 25 seconds
    • C. 1 minute
    • D. 2 minutes
      • Discuss
    • 9. The isotope of uranium capable of sustaining chain reaction is

    • Options
    • A. U-235
    • B. U-245
    • C. U-239
    • D. U-238
      • Discuss
    • 10. Radish is a

    • Options
    • A. bulb
    • B. conn
    • C. modified root
    • D. tuber
      • Discuss

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.