Apparent charge on atom in molecule is___________________?
(A) valency
(B) coordination number
(C) oxidation number
(D) charge number
In alkaline battery the anode is made up of______________________?
(A) MnO2
(B) Zn
(C) AgO2
(D) cadmium
Density of H2SO4 in lead accumulator is__________________?
(A) 1.25g/cm3
(B) 1.3g/cm3
(C) 1.20g/cm3
(D) 1.15g/cm3
With impurities like P and S the open hearth furnace is lined with ?
(A) SiO2
(B) Fe2O3
(C) FeO
(D) CaO MgO
In pig iron the concentration of C-atom is ___________________?
(A) 0.12 — 0.25%
(B) 2.5 — 4.5%
(C) 2.0 — 4.0%
(D) 0.25 — 2.5%
Geometry of the complex compounds usually depends upon __________________?
(A) type of ligands
(B) types of hybridization in the elements of ligands
(C) hybridization of central metal
(D) All of above
The compound or complex ion which has a ring in its structure__________________?
(A) polydentate ligand
(B) chelate
(C) monodentate ligand
(D) hydrate
Which of the following can form a chealate______________________?
(A) ammine
(B) oxalato
(C) carbonyl
(D) cyano
The specie which donates electrons to central metal atom in coordination sphere is called____________________?
(A) anion
(B) cation
(C) Ligand is positively charged
(D) acid