MCQ
Which of the following complex ion is not expected to absorb visible light ?
- A$[Ni(H_2O)_6]^{2+}$
- ✓$[Ni(CN)_4]^{2-}$
- C$[Cr(NH_3)_6]^{3+}$
- D$[Fe(H_2O)_6]^{2+}$
✓
Answer
Correct option: B.
$[Ni(CN)_4]^{2-}$
b
Not expected to absorb visible light unpaired $'e'$ is zero i.e. $[Ni(CN)_4]^{-2}$
Not expected to absorb visible light unpaired $'e'$ is zero i.e. $[Ni(CN)_4]^{-2}$
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 compound is not inflammable
The figure shows the change in concentration of species $A$ and $B$ as a function of time. The equilibrium constant $K_C$ for the reaction
→$2A(g) \rightleftharpoons B(g)$ is
An organic compound $'A'$ $(C_{9} H _{10} O$ ) when treated with conc. $HI$ undergoes cleavage to yield compounds $'B'$ and $'C'.$ $'B'$ gives yellow precipitate with $AgNO _{3}$ where as $'C'$ tautomerizes to $D ^{\prime} .$ $'D'$ gives positive idoform test. $'A'$ could be :
→In ferrous ammonium sulphate oxidation number of $Fe$ is
→In which of the following arrangements the order is $NOT$ according to the property indicated against it ?
→If one strand of $DNA$ has the sequence $ATCGTATG$, the sequence in the complementary strand would be
→Predict the major product
Product $(Q)$ is
→The treatment of zinc with very dilute nitric acid produces
Superphosphate of lime contains