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Byju's Answer
Standard IX
Chemistry
Basicity of Acids
Write the con...
Question
Write the conjugate base of
H
2
P
O
4
−
?
A
H
3
P
O
4
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B
H
P
O
2
−
4
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C
P
O
3
−
4
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D
H
2
P
O
−
3
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Solution
The correct option is
B
H
P
O
2
−
4
Conjugate acid base pair differ by H+ ion.
H
2
P
O
−
4
⇌
H
+
+
H
P
O
2
−
4
Congugate base
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Similar questions
Q.
For
H
3
P
O
4
,
H
3
P
O
4
⇋
H
2
P
O
−
4
+
H
+
(
K
1
)
H
2
P
O
−
4
⇋
H
P
O
2
−
4
+
H
+
(
K
2
)
H
P
O
2
−
4
⇋
P
O
3
−
4
+
H
+
(
K
3
)
, then
Q.
Conjugate base of
H
2
P
O
−
4
is
Q.
H
3
P
O
4
⇌
H
⊕
+
H
2
P
O
⊝
4
;
K
a
1
:
H
3
P
O
⊝
4
⇌
H
⊕
+
H
P
O
2
−
4
;
K
a
2
:
H
P
O
2
−
4
⇌
H
⊕
+
P
O
3
−
4
;
K
a
3
:
Mark out the incorrect statements
Q.
The equilibrium constants for the reactions are
H
3
P
O
4
K
1
⇌
H
+
+
H
2
P
O
−
4
;
K
1
H
2
P
O
−
4
K
2
⇌
H
+
+
H
P
O
2
−
4
;
K
2
H
P
O
2
−
4
K
3
⇌
H
+
+
P
O
3
−
4
;
K
3
The equilibrium constant for,
H
3
P
O
4
⇌
3
H
+
+
P
O
3
−
4
will be :
Q.
Consider various species generated when
H
3
P
O
4
is dissolved in water. According to the Bronsted Lowry’s Concept among these, the conjugate acid of
H
P
O
2
−
4
is :
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