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प्रश्न
Answer the following in one sentence :
Why cations are Lewis acids?
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उत्तर
Cations are electron-deficient species and can accept an electron pair. Hence, cations are Lewis acids.
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संबंधित प्रश्न
Answer the following in brief :
What are acids and bases according to Arrhenius theory?
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:
\[\ce{CO^2-_3 + H2O ⇌ OH- + HCO^-_3}\]
The theory which explain amphoteric nature of water is ______.
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.
The conjugate acid of \[\ce{HSO^-_4}\] is ____________.
Identify the CORRECT statement.
Which of the following fluro compounds is most likely to behave as a Lewis base?
Which of these is not likely to act as Lewis base?
Which of the following can act as Lowry – Bronsted acid as well as base?
Identify the conjugate acid-base pair for the following reaction in an aqueous solution.
\[\ce{HPO^{2-}_4 + SO^{2-}_3 ⇌ PO^{3-}_4 + HSO^-_3}\]
Identify the conjugate acid-base pair for the following reaction in an aqueous solution.
\[\ce{NH^+_4 + CO^{2-}_3 ⇌ NH3 + HCO^-_3}\]
Account for the acidic nature of HClO4 in terms of Bronsted – Lowry theory, identify its conjugate base.
Which of the following species is amphoteric in nature?
The species which will behave both as conjugate acid and conjugate base is ______.
Define conjugate acid-base pair.
What are the limitations of Arrhenium theory?
According to Lowry-Bronsted concept, base is a substance which acts as ______.
Calculate pH of 0.01 M NaOH.
Vinegar contains ______ acid.
Identify the conjugate acid-base pairs in the reaction,
\[\ce{CH3COOH(aq) + NH3(aq) <=> NH^+_4(aq) + CH3COO^-(aq)}\]
