aliensbrain
  • Home
  • Study
  • Quizzes
  • 🎤AI Practicefree
  • Notebooks
  • Community
  • Sign in
Multiple choice

Which of the following ions have [Ar] 3d5 4s0 configuration? P. Cr3+ Q. Mn2+ R. Fe3+ S. Co3+ Select the correct answer using codes given below:

  1. P and Q

  2. P and S

  3. Q and R

  4. Q and S

  5. R and S

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

25Mn: [Ar] 3d5 4s2 Mn2+: [Ar] 3d5 4s0 26Fe: [Ar] 3d6 4s2 Fe3+: [Ar] 3d5 4s0

Keep practicing — related questions

  • Which of the following ions have electronic configuration [Ar] 3d5?
  • Which of the following metal ion (s) has (have) 5D4 as ground state term? P. Mn4+ Q. Fe2+ R. Co3+
  • Which of the following pairs of ‘element/ion - its electronic configuration’ is not correct?
  • Which of the following matches of ‘element/ion- its electronic configurations’ is not correct?
  • Which of the following statements is/are not correct? 1. Mn metal is used as a scavenger in making steel. 2...
  • Match List I with List II and select the correct answer using the codes given below the Lists: List I List ...
  • Match the diseases in Column-I with causing pathogens in Column-II and select the correct answer using the ...
  • Match the diseases in List-A with causative fungal pathogens in List-B and select the correct answer using ...

Practice this topic

  • Chemical Bonding and Molecular Structure (1277 questions)
Advertisement
© Aliensbrain | all rights reserved
  • About
  • Contact
  • Terms and Condition
  • Privacy Policy