Transition Elements

A. Potassium tetra cyano cupperate
B. Co-ordination number is 2
C. Ligand is positively charged
D. Central atom is present in avionic sphere

A. Sc
B. Y
C. Cd
D. Co

A. dry cell
B. galvanic cell
C. electrolytic cell
D. A and B

A. CaSiO3
B. Na2SiO3
C. Ca3(PO4)2
D. MnSiO3

A. SiO2
B. Fe2O3
C. FeO
D. CaO MgO

A. 0.12 — 0.25%
B. 2.5 — 4.5%
C. 2.0 — 4.0%
D. 0.25 — 2.5%

A. type of ligands
B. types of hybridization in the elements of ligands
C. hybridization of central metal
D. All of above

A. polydentate ligand
B. chelate
C. monodentate ligand
D. hydrate

A. ammine
B. oxalato
C. carbonyl
D. cyano

A. anion
B. cation
C. Ligand is positively charged
D. acid