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Tardigrade
Question
Chemistry
Among the following, the one which is most basic is
Q. Among the following, the one which is most basic is
2763
242
AIPMT
AIPMT 1994
The s-Block Elements
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A
ZnO
8%
B
MgO
70%
C
A
I
2
O
3
14%
D
N
2
O
5
8%
Solution:
ZnO and
A
l
2
O
3
are amphoteric oxide,
N
2
O
5
is oxide of non-metal, so it is acidic and hence, MgO is most basic among
A
l
2
O
3
,
Z
n
O
,
N
2
O
5
and MgO.