The elements in which d or f orbitals are in the process of completion are__________________?
A. outer transition elements
B. inner transition elements
C. typical transition elements
D. transition elements
Submitted by :- Jamil Ahmed
Group VIB of transition elements contains___________________?
A. Zn Cd Hg
B. Fe Ru Os
C. Cr Mo W
D. Mn Te Re
Submitted by :- Jamil Ahmed
The oxidation number of central metal atom in [Ni(CO)4] is_________________?
A. 0
B. 2
C. 4
D. 6
Submitted by :- Jamil Ahmed
Coordination number of the transition element in [Pt Cl NO2 (NH3)4]2- is____________________?
A. 2
B. 6
C. 4
D. 8
Submitted by :- Jamil Ahmed
The reduction potential Zn is_________________?
A. 0.76
B. -0.76
C. -0.55
D. 0.55
Submitted by :- Jamil Ahmed
In K2Cr2O7 the oxidation number of chromium is____________________?
A. 07
B. 06
C. 0-7
D. 0-6
Submitted by :- Jamil Ahmed
Which of the following is typical transition metal?
A. Sc
B. Y
C. Cd
D. Co
Submitted by :- Jamil Ahmed
When an active metal like Al comes in contact with less active element like Cu then it produces__________________?
A. dry cell
B. galvanic cell
C. electrolytic cell
D. A and B
Submitted by :- Jamil Ahmed
Which is sold as fertilizer ___________________?
A. CaSiO3
B. Na2SiO3
C. Ca3(PO4)2
D. MnSiO3
Submitted by :- Jamil Ahmed
With impurities like P and S the open hearth furnace is lined with ?
A. SiO2
B. Fe2O3
C. FeO
D. CaO MgO
Submitted by :- Jamil Ahmed