A. 0
B. 2
C. 4
D. 6
Related Mcqs:
- 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 - Oxidation state of an atom represents____________________?
A. Number of electrons gained
B. Number of electrons lost
C. Apparent charge in compound
D. Its vacancies - The central atom along with ligands is called____________________?
A. complex ion
B. coordination sphere
C. ligand
D. complex compound - 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 - Geometry of molecule will be pyramidal if the outer post shell of the central atom has___________________?
A. 3 bond pair one lone pair
B. 2 bond pair 2 lone pair
C. 1 bond pair 3 lone pair
D. 3 lone pair 1 bond pair - Energy released or absorbed when electrons are added in atom is_________________?
A. Ionization potential
B. Electronegativity
C. Electron affinity
D. Activation energy - Removal of halogen and hydrogen atom is_________________?
A. halogenation
B. dehalogenation
C. dehydrohalogenation
D. hydrohalogenation - The oxidation state of transition elements is usually _______________________?
A. variable
B. constant
C. single
D. infinite - In complex compounds the oxidation number is written in___________________?
A. English
B. Greek
C. Roman numeral
D. Hebrew - 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%
