Transitions And Inner-Transition Elements Test.
Authored by Shivani Mohanty
Chemistry
12th Grade
Used 74+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The most common oxidation state of lanthanoids is-:
+4
+3
+6
+2
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following elements belong to actinoid-:
Cerium
Lutetium
Thorium
Lanthanum
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which element among the lanthanoids has the smallest atomic radius ?
Ce
Lu
Eu
Gd
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Lanthanoids are placed in -:
3rd group and 7th period
3rd group and 6th period
4rd group and 7th period
4rd group and 5th period
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The general electronic configuration [Rn]5f1-14 6d0-1 7s2 is of -:
Lanthanoids
Actinoids
s- block elements
d-block elements
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
An atom with atomic number 21 belongs to category of-:
s- block elements
p-block elements
d-block elements
f-block elements
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The number of unpaired d electrons retained in Fe+2 (Z= 26) ion is -:
3
4
5
6
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