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Tardigrade
Question
Chemistry
Which is true for an element R present in 13th group of the periodic table?
Q. Which is true for an element
R
present in
13
t
h
group of the periodic table?
1670
218
The p-Block Elements
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A
It is gas at room temperature
0%
B
It has oxidation state of
+
4
0%
C
It forms
R
2
O
3
100%
D
It forms
R
X
2
0%
Solution:
Group 13 elements are in +3 and +1 oxidation state. Thus they form
R
2
O
3
type oxide. Ex.
A
l
2
O
3