Quiz 1 Transition Elements
Authored by Ahmed wahab
Chemistry
12th Grade
Used 58+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The number of unpaired electrons in silver
1
2
3
4
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which of the following cannot be prepared by normal chemical methods?
KMnO4
Cr2O3
TiO3
VF5
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
In period 5 there are …………..transition metals
5
6
9
10
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The main transition element consists of 10 vertical columns the electronic configuration of the column before the last one is
(n-1)d1 ns1
(n-2)d1 ns1
(n-1)d10 ns1
(n-1)d9 ns2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The electronic configuration of iron in FeCl3 is
4s2 3d6
4s1 3d5
4s0 3d5
4s0 3d6
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The transitional element in which sub-level(d)is filled before the sub- level(s) is ………
Cobalt
Carbon
Chromium
Silver
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Which statement is correct
Difficult to change from Mn III to Mn II
Nickel has 5 unstable isotopes
Easy to change from Iron III to iron II
The maximum oxidation state of Zr is 4
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