MCQ
Which of the following has highest paramagnetic character
- ✓$Mn$ $(II)$
- B$Fe$ $(II)$
- C$Co$ $(II)$
- D$Ni$ $(II)$
✓
Answer
Correct option: A.
$Mn$ $(II)$
a
(a) $M{n^{ + 2}}\, - \,3{d^5}$
(a) $M{n^{ + 2}}\, - \,3{d^5}$
$5$ unpaired element in $d-$ subshell so it has highest paramagnetic.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
At certain temperature $(T)$ if conductivity of pure water is $5.5 × 10^{-7}\ Scm^{-1}$, then calculate $pH$ of water at given temp. Given :$\lambda _{{H^ + }}^\infty = 350\ S\,cm^2 \,eq^{-1}$
→$\lambda _{O{H^ - }}^\infty$ $=200\, \ S\,cm^2 \,eq^{-1}$
Which of the following reactions will give $\alpha -$ hydroxy acid as a product :
→Product $(A)$ of the above reaction is (bromination occur not in the benzene ring)
→Oxidation number of nickel in $Ni{(CO)_4}$
→In the metallurgy of iron, when lime stone is added to the blast furnance the calcium ions ends up in :
${[Sc{({H_2}O)_6}]^{3 + }}$ ion is
→$CCl_4 + KOH$ (excess) $\rightarrow$ end product of the reaction is :
→Pressure cooker reduces cooking time for food because
Select most stable complex
Which of the following compound is soluble in aqua regia