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%
Submitted by :-
Jamil Ahmed
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
Submitted by :-
Jamil Ahmed
The compound or complex ion which has a ring in its structure__________________?
A. polydentate ligand
B. chelate
C. monodentate ligand
D. hydrate
Submitted by :-
Jamil Ahmed
Which of the following can form a chealate______________________?
A. ammine
B. oxalato
C. carbonyl
D. cyano
Submitted by :-
Jamil Ahmed
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
Submitted by :-
Jamil Ahmed
Non-stoichiometric compounds of transition elements are called_____________?
A. hydrates
B. hydrides
C. binary compounds
D. interstitial compounds
Submitted by :-
Jamil Ahmed
In the production of wrought iron Mg Si and P are removed in the form of___________________?
A. oxides
B. silicates
C. slag
D. carbonates
Submitted by :-
Jamil Ahmed
When the central atom of coordination compound is sp3d2 hybridization the expected geometry will be___________________?
A. tetrahedral
B. square planar
C. trigonal bipyramidal
D. octahedral
Submitted by :-
Jamil Ahmed
In complex compounds the oxidation number is written in___________________?
A. English
B. Greek
C. Roman numeral
D. Hebrew
Submitted by :-
Jamil Ahmed
The central atom along with ligands is called____________________?
A. complex ion
B. coordination sphere
C. ligand
D. complex compound
Submitted by :-
Jamil Ahmed