Akanksha Gupta posted an Question
July 07, 2020 • 03:11 am 30 points
  • IIT JAM
  • Chemistry (CY)

R o cd d d

3 Answer(s) Answer Now
  • 0 Likes
  • 3 Comments
  • 0 Shares
  • comment-profile-img>
    Priyanshu kumar best-answer

    for confusion in option B...read my explanation...as you know here iron has given 3d6 configuration...that iron has oxidation state of +2...so you know chlorine has unit negative charge and cyano group has too unit negative charge ...when you calculate these you find O2 has minus 1 charge...so this superoxido...and by M.O diagram you know O2- has bond order of 1.5 and 02 has 2 bond order..so bond order decreases that's why bond length increases

    eduncle-logo-app

    Superoxide is paramagnetic ? Priyanshu Sir

    eduncle-logo-app

    yes...

    eduncle-logo-app

    1 unpaired electron

    eduncle-logo-app

    Then complex should be paramagnetic Sir ?

    eduncle-logo-app

    yes sumon if you consider the complex as a whole... it has t2g6 eg0...no unpaired electrons.so diamagnetic but if you consider O2- as it has one unpaired electrons so paramagnetic...in some book it is given dia and some book para...

    eduncle-logo-app

    Please send reference Sir for its paramagnetic nature

  • comment-profile-img>
    Priyanshu kumar best-answer

    hope it helps...if any doubt in this please ask??

whatsapp-btn

Do You Want Better RANK in Your Exam?

Start Your Preparations with Eduncle’s FREE Study Material

  • Updated Syllabus, Paper Pattern & Full Exam Details
  • Sample Theory of Most Important Topic
  • Model Test Paper with Detailed Solutions
  • Last 5 Years Question Papers & Answers