The sum of the coordination number and oxidation number of the metal M in the complex [M(en)₂(C₂O₄)]Cl is:

1.	Nine (9)	2.	Six (6)
3.	Seven (7)	4.	Eight (8)

Jahn-Teller effect is not observed in high spin complexes of?

1. d⁷

2. d⁸

3. d⁴

4. d⁹

A Planar Complex (Mabcd) gives –

1. Two Optical isomer 

2. Two geometrical isomer

3. Three optical isomer 

4. Three geometrical isomers

Lead poisoning in the body can be removed by:
1. EDTA in the form of calcium dihydrogen salt
2. cis-platin
3. Zeisse’s salt
4. DMG

1. Ionisation and \(BaCl_2\)

2. Ionisation and \(AgNO_3\)

3. Coordinate and \(AgNO_3\)

4. Linkage and \(BaCl_2\)

Which of the following is the correct IUPAC name of a complex compound?

Which of the following facts about the complex [Cr(NH₃)₆]Cl₃ is wrong?

1. The complex is an ourter orbital complex

2. The complex gives white precipitate with silver nitrate solution

3. The complex involves d²sp³ hybridization and is octahedral in shape

4. The complex is paramagnetic

In [Cr(C₂O₄)₃]^3-, the isomerism shown is

(1) Ligand

(2) Optical

(3) Geometrical

(4) Ionization

Among the following complexes (K-P)

$K_3\left[Fe{\left(CN\right)}_6\right(K),<mspace\; width="1em"></mspace>[Co{\left(N{H}_3\right)}_{6}C{l}_3\left(L\right),<mspace\; width="1em"></mspace>$
$N{a}_3\left[Co{\left(oxalate\right)}_3\right]\left(M\right),<mspace\; width="1em"></mspace>\left[Ni{\left(H_{2}O\right)}_6\right]C{l}_2<mspace\; width="1em"></mspace>\left(N\right),<mspace\; width="1em"></mspace>$
$K_2\left[Pt{\left(CN\right)}_4\right(O)<mspace\; width="1em"></mspace>and<mspace\; width="1em"></mspace>[Zn{\left(H_{2}O\right)}_6]{\left(N{O}_3\right)}_2<mspace\; width="1em"></mspace>(P)$

The diamagnetic complexes are-

(1) K, L, M, N

(2) K, M, O, P

(3) L, M, O, P

(4) L, M, N, O

Geometrical shapes of the complexes formed by the reaction of $N{i}^{2+}<mspace\; width="1em"></mspace>with<mspace\; width="1em"></mspace>C{l}^{-},<mspace\; width="1em"></mspace>C{N}^{-}<mspace\; width="1em"></mspace>and<mspace\; width="1em"></mspace>H_{2}O$ respectively, are

1. Octahedral, tetrahedral and square planar

2. Tetrahedral, square planar and octahedral

3. Square planar, tetrahedral and octahedral

4. Octahedral, square planar and octahedral