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Byju's Answer
Standard XII
Chemistry
Properties of Water
Amphoteric sp...
Question
Amphoteric species is
:
A
N
a
3
P
O
4
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B
H
S
O
−
4
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C
K
O
H
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D
H
N
O
3
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E
C
2
O
2
−
4
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Solution
The correct option is
B
H
S
O
−
4
Amphoteric specie is
H
S
O
−
4
.
It reacts with acid as well as base.
H
S
O
−
4
+
H
+
→
H
2
S
O
4
H
S
O
−
4
+
O
H
−
→
S
O
2
−
4
+
H
2
O
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0
Similar questions
Q.
Which set does not contain an amphoteric species?
Q.
What are the reactants in the following reaction?
K
O
H
(
a
q
)
+
H
N
O
3
→
H
2
O
(
l
)
+
K
N
O
3
(
a
q
)
Q.
Which of the following species is reduced in the following (unbalanced) reaction?
S
2
O
2
−
3
+
C
l
2
⟶
H
S
O
−
4
+
C
l
−
Q.
H
2
S
O
4
⟶
H
+
+
H
S
O
−
4
(100% ionisation)
H
S
O
−
4
⟶
H
+
+
S
O
2
−
4
(10% ionisation)
The given reaction takes place when sulphuric acid dissolves in water.
If we start with
0.2
M
aqueous solution of
H
2
S
O
4
then maximum concentration is of __________ species.
Q.
Assertion: Amphoteric species acts as either an acid or a base.
Reason: It contains both hydrophobic and hydrophilic regions.
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