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प्रश्न
Answer the following in brief :
What is meant by conjugate acid-base pair?
उत्तर
i. The base produced by releasing the proton from an acid is the conjugate base of that acid.
ii. Similarly, the acid produced when a base accepts a proton is called the conjugate acid of that base.
iii. A pair of an acid and a base differing by a proton is said to be a conjugate acid-base pair.
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संबंधित प्रश्न
Label the conjugate acid-base pair in the following reaction:
\[\ce{HCl + H2O ⇌ H3O\overset{\oplus} + Cl\overset{\ominus}{}}\]
Label the conjugate acid-base pair in the following reaction:
\[\ce{CO^2-_3 + H2O ⇌ OH- + HCO^-_3}\]
Answer the following in brief :
Write a reaction in which water acts as a base.
Answer the following in brief :
Ammonia serves as a Lewis base whereas AlCl3 is Lewis acid. Explain.
For a reaction \[\ce{HCl_{(aq)} + H2O_{(l)} ⇌ H3O^+_{ (aq)} + Cl^-_{ (aq)}}\]
Which of the following is a conjugate acid-base pair?
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Label the one conjugate acid-base pair in the following reaction.
\[\ce{CO^{2-}_{3(aq)} + H2O_{(l)} ⇌ OH^- + HCO^-_3}\]
Classify the following species into Lewis acids and Lewis bases.
| Cl- | |
| `"NH"_4^+` | |
| BCl3 | |
| NH3 |
Explain the amphoteric nature of water.
Identify the CORRECT statement.
Conjugate base for Bronsted acids H2O and HF are ___________.
Which of the following can act as Lowry – Bronsted acid as well as base?
Discuss the Lowry – Bronsted concept of acids and bases.
Identify the conjugate acid-base pair for the following reaction in an aqueous solution.
\[\ce{HS^-_{( aq)} + HF ⇌ F^-_{( aq)} + H2S_{(aq)}}\]
Identify the conjugate acid-base pair for the following reaction in an aqueous solution.
\[\ce{HPO^{2-}_4 + SO^{2-}_3 ⇌ PO^{3-}_4 + HSO^-_3}\]
When aqueous ammonia is added to CuSO4 solution, the solution turns deep blue due to the formation of tetramminecopper (II) complex, \[\ce{[Cu(H2O)6]^{2+}_{( aq)} + 4NH3_{( aq)} ⇌ [Cu(NH3)4]^{2+}_{( aq)}}\], among HO2 and NH3 Which is stronger Lewis base.
Name one amphoteric solvent.
Which of the following species is amphoteric in nature?
The species which will behave both as conjugate acid and conjugate base is ______.
According to Lowry-Bronsted concept, base is a substance which acts as ______.
Vinegar contains ______.
Identify the conjugate acid-base pairs in the reaction,
\[\ce{CH3COOH(aq) + NH3(aq) <=> NH^+_4(aq) + CH3COO^-(aq)}\]
Define acids and bases according to Bronsted-Lowry theory.
