1
RE-NEET 2026
MCQ (Single Correct Answer)
+4
-1

According to crystal field theory, the correct order of ligands with respect to their decreasing order of field strength is

A

$\mathrm{Cl}^{-}>\mathrm{NH}_3>\mathrm{H}_2 \mathrm{O}>\mathrm{CO}$

B

$\mathrm{CO}>\mathrm{NH}_3>\mathrm{H}_2 \mathrm{O}>\mathrm{Cl}^{-}$

C

$\mathrm{CO}>\mathrm{H}_2 \mathrm{O}>\mathrm{NH}_3>\mathrm{Cl}^{-}$

D

$\mathrm{Cl}^{-}>\mathrm{H}_2 \mathrm{O}>\mathrm{NH}_3>\mathrm{CO}$

2
RE-NEET 2026
MCQ (Single Correct Answer)
+4
-1

Among the species given below, the spin-only magnetic moment is highest for (Given: Atomic number of $\mathrm{Ti}=22, \mathrm{Mn}=25, \mathrm{Fe}=26$ and $\mathrm{Co}=27$ )

A

$\left[\mathrm{Ti}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$

B

$\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}$

C

$\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{3-}$

D

$\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$

3
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

$$ \text { Match List I with List II : } $$

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 :

A

A-III, B-I, C-II, D-IV

B

A-I, B-III, C-II, D-IV

C

A-II, B-IV, C-III, D-I

D

A-III, B-I, C-IV, D-II

4
NEET 2026
MCQ (Single Correct Answer)
+4
-1
Change Language

Which one of the following is an ambidentate ligand?

A

Ethane-1,2-diamine

B

Ethylenediaminetetraacetate ion

C

Thiocyanate

D

Oxalate

NEET Subjects

Browse all chapters by subject