The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer.
Assertion : In Zeise's salt, co-ordianation number of Pt is five.
Reason : Ethene is a bidentate lignad .

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer. Assertion : The ligand N_3^(-) is named as nitrido. Reason : It is derived from NH_3 .

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer. Assertion : Linkage isomerism arises in co-ordination complexes containing an ambident ligand. Reason : Ambidentate ligand has two donor atoms .

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer. Assertion : The ligands nitrio-N and nitrio-O are ambident in nature . Reason : The ligands give linkage isomers.

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer. Assertion : Ni("dmg")_2 is a square planar complex. Reason : Chelation effect is present in Ni("dmg")_2 .

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer. Assertion : Ni("dmg")_2 is a square planar complex. Reason : Chelation effect is present in Ni("dmg")_2 .

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer. Assertion : Oxidation state of Fe in Fe(CO)_5 is zero . ltbegt Reason : EAN of Fe in its complex is always 36.

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer. Assertion : EDTA forms a complex with divalent metals of 3d series in the ratio 1:1 . Reason : EDTA has four -COOH groups.

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer. Assertion : Tetrahedral complexes donot show geometrical isomerism Reason : The relative positions of the ligands in the tetrahedral complexes are the same with respect to each other .

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer. assertion : Cis [CoCl_(2)(en)_2]^(2+) is optically active in nature . Reason : It has no plane of symmetry .

The questions given below consist of Assertion (A) and Reason (R ) . Use the following key to select the correct answer. Assertion : The complex [Ni(CN)_4]^(2-) is diamagnetic in nature . Ni^(2+) ion in the complex is dsp^(2) hybridised .