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Byju's Answer
Standard XII
Chemistry
Modern Periodic Table
In the given ...
Question
In the given oxides how many oxides are amphoteric?
C
O
,
C
O
2
,
N
a
2
O
,
P
b
O
2
,
P
b
O
,
S
n
O
,
G
e
O
2
,
G
e
O
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Solution
Amphoteric oxide are those which can act as both as an acid or a base. Among the following
P
b
O
2
,
P
b
O
a
n
d
S
n
O
are amphoteric in nature.
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Similar questions
Q.
How many of the following oxides are basic oxides?
C
O
2
,
S
n
O
2
,
P
b
O
,
P
b
O
2
,
P
b
3
O
4
,
A
l
2
O
3
Q.
S
i
O
2
,
G
e
O
2
,
S
n
O
and
P
b
O
are respectively:
Q.
(a) What are amphoteric oxides? Give two examples of amphoteric oxides.
(b) Choose the acidic oxides, basic oxides and neutral oxides from the following:
Na
2
O; CO
2
; CO; SO
2
; MgO; N
2
O; H
2
O.
(c) Which of the following are amphoteric oxides:
MgO, ZnO, P
2
O
3
, Al
2
O
3
, NO
2
Q.
P
b
O
2
------
P
b
O
Δ
G
298
<
0
S
n
O
2
-------
S
n
O
Δ
G
298
>0
Most probable oxidation state of Pb & Sn will be :
Q.
Assertion :SnO is more reactive towards acid than
S
n
O
2
Reason: Both SnO and
S
n
O
2
are amphoteric oxides
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