The conjugate base of H2PO4− is: A HPO4 2− B P2O5 C H3PO4 D PO4 3−

Question

The conjugate base of H2​PO4−​ is: A HPO4 2− ​ B P2​O5​ C H3​PO4​ D PO4 3− ​

Adarsh Pal · Answer

The concept of conjugate Acid-Base pair was given by Lowry-Bronsted Theory.

According to the theory:
Acids are proton (H+) donors.
Bases are proton (H+) acceptors.

Hence, in order to get the conjugate base of a species, we should consider that substance as an acid and vice versa.

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The conjugate base of H2PO4− is: A HPO4 2− B P2O5 C H3PO4 D PO4 3−

The conjugate base of H2PO4− is:
A
HPO4²⁻
B
P2O5
C
H3PO4
D
PO4³⁻

The conjugate base of H2PO4− is:

1 Answers

The concept of conjugate Acid-Base pair was given by Lowry-Bronsted Theory.

According to the theory:
Acids are proton (H+) donors.
Bases are proton (H+) acceptors.

Hence, in order to get the conjugate base of a species, we should consider that substance as an acid and vice versa.

For example,

H2SO4→HSO4−+H+

Therefore, conjugate base of H2SO4 is HSO4−.

Using this logic, for the given example:
H2PO4−→HPO4^−2+H+

Hence, conjugate base of H2PO4− is HPO4^−2.

Option A is correct.

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The conjugate base of H2​PO4−​ is: A HPO4 2− ​ B P2​O5​ C H3​PO4​ D PO4 3− ​

The conjugate base of H2​PO4−​ is:AHPO42−​BP2​O5​CH3​PO4​DPO43−​

The conjugate base of H2​PO4−​ is:

1 Answers

The concept of conjugate Acid-Base pair was given by Lowry-Bronsted Theory.

According to the theory:Acids are proton (H+) donors.Bases are proton (H+) acceptors.

Hence, in order to get the conjugate base of a species, we should consider that substance as an acid and vice versa.

For example,

H2​SO4​→HSO4−​+H+

Therefore, conjugate base of H2​SO4​ is HSO4−​.

Using this logic, for the given example:H2​PO4−​→HPO4^−2​+H+

Hence, conjugate base of H2​PO4−​ is HPO4^−2​.

Option A is correct.

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The conjugate base of H2PO4− is: A HPO4 2− B P2O5 C H3PO4 D PO4 3−

The conjugate base of H2PO4− is:
A
HPO4²⁻
B
P2O5
C
H3PO4
D
PO4³⁻

The conjugate base of H2PO4− is:

According to the theory:
Acids are proton (H+) donors.
Bases are proton (H+) acceptors.

H2SO4→HSO4−+H+

Therefore, conjugate base of H2SO4 is HSO4−.

Using this logic, for the given example:
H2PO4−→HPO4^−2+H+

Hence, conjugate base of H2PO4− is HPO4^−2.