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Worksheetsd and f Block Elements - 02
Total questions: 20
Worksheet time: 10mins
Which of the following statement is incorrect regarding Zinc metal
Most of its compound are white in colour
Zinc have high enthalpy of atomization
it have fully field d orbital
It is di-magnetic .
What are typical oxidation state for Sc?
-3
+3
-1
+1
What is the coordination number?
[Fe(H2O)6 ]Cl2
1
2
4
6
d-block elements loses first elecrton(s) from...
3p
3s
3d
4s
The most common oxidation state of lanthanoids is-:
+4
+3
+6
+2
Which of the following elements belong to actinoid-:
Cerium
Lutetium
Thorium
Lanthanum
Which element among the lanthanoids has the smallest atomic radius ?
Ce
Lu
Eu
Gd
The general electronic configuration [Rn]5f1-14 6d0-1 7s2 is of -:
Lanthanoids
Actinoids
s- block elements
d-block elements
An atom with atomic number 21 belongs to category of-:
s- block elements
p-block elements
d-block elements
f-block elements
The number of unpaired d electrons retained in Fe+2 (Z= 26) ion is -:
3
4
5
6
d-d transition is possible only in-:
Cu+1
Cu+2
Zn+2
Zn
The general electronic configuration [Xn]4f1-14 5d0-1 6s2 is of-:
Lanthanoids
Actinoids
s- block elements
d-block elements
Which of the following transition elements is used as a catalyst in Haber’s process?
Fe
Ni
Ti
V
Which of the following is the least basic in nature-
La(OH)3
Ce(OH)3
Yb(OH)3
Lu(OH)3
