MCQ
In which complex is the transition metal in zero oxidation state :
- A$[Co(NH_3)_6]Cl_2$
- B$[Fe(H_2O)_6SO_4]$
- C$[Ni(CO)_4]$
- ✓$[Fe(H_2O)_3](OH)_2$
✓
Answer
Correct option: D.
$[Fe(H_2O)_3](OH)_2$
d
$MnO _4^{-}$, has $Mn ^{+7}, d ^0$ configuration so no $d$ electron.
$MnO _4^{-}$, has $Mn ^{+7}, d ^0$ configuration so no $d$ electron.
$Co ^{+3}, d ^6$ configuration.
$Fe ^{-2}, d ^6$ configuration.
$Cr ^{+3}, d ^3$ configuration.
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
Which of the following is not true?
Which is least basic
Rate of reaction
Select the reaction $NOT$ representing correct major product ?
→Which one of the following is incorrect for ideal solution ?
The efficiency of packing is $68\%$ in:
→The low chemical reactivity of the rare gases can be attributed to their
Which of the following can react with alcohols to form esters :
Glass is:
In the given reaction $(x)$ will be
→(image) $\xrightarrow{{NBS}}\,\,\xrightarrow[{ether}]{{Mg}}\,\xrightarrow[{2.{H^ + }}]{{1.C{O_2}}}\,X$