1
NEET 2026
MCQ (Single Correct Answer)
+4
-1
$$ \text { Match List I with List II : } $$
| List-I (Complex) |
List-II (Type of isomerism) |
||
|---|---|---|---|
| A. | $$ \left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}_2\right] $$ |
I. | Optical |
| B. | $$ \left[\mathrm{Co}(\mathrm{en})_3\right]^{3+} $$ |
II. | Solvate |
| C. | $$ \left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{NO}_2\right] \mathrm{Cl}_2 $$ |
III. | Geometrical |
| D. | $$ \left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right] \mathrm{Cl}_3 $$ |
IV. | Linkage |
Choose the correct answer from the options given below :
2
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Which one of the following is an ambidentate ligand?
3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
$$ \text { Match List I with List II : } $$
| List I (Complex/ion) |
List II (Shape/geometry) |
||
|---|---|---|---|
| A. | $$ \left[\mathrm{Pt}\left(\mathrm{Cl}_2\right)\left(\mathrm{NH}_3\right)_2\right] $$ |
I. | Octahedral |
| B. | $$ \left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right] \mathrm{Cl}_3 $$ |
II. | Trigonal bipyramidal |
| C. | $$ \left[\mathrm{NiCl}_4\right]^{2-} $$ |
III. | Square planar |
| D. | $$ \left[\mathrm{Fe}(\mathrm{CO})_5\right] $$ |
IV. | Tetrahedral |
4
NEET 2025
MCQ (Single Correct Answer)
+4
-1
Which of the following are paramagnetic?
A. $\left[\mathrm{NiCl}_4\right]^{2-}$
B. $\mathrm{Ni}(\mathrm{CO})_4$
C. $\left[\mathrm{Ni}(\mathrm{CN})_4\right]^{2-}$
D. $\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}$
E. $\mathrm{Ni}\left(\mathrm{PPh}_3\right)_4$
Choose the correct answer from the options given below :
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