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महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Answer the following in one sentence : Why cations are Lewis acids?

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प्रश्न

Answer the following in one sentence :

Why cations are Lewis acids?

एका वाक्यात उत्तर
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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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पाठ 3: Ionic Equilibria - Exercises [पृष्ठ ६१]

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बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 3 Ionic Equilibria
Exercises | Q 2. i. | पृष्ठ ६१

संबंधित प्रश्‍न

Answer the following in brief :

What are acids and bases according to Arrhenius theory?


Answer the following in brief :

What is meant by conjugate acid-base pair?


Label the conjugate acid-base pair in the following reaction:

\[\ce{CO^2-_3 + H2O ⇌ OH- + HCO^-_3}\]


For a reaction \[\ce{HCl_{(aq)} + H2O_{(l)} ⇌ H3O^+_{ (aq)} + Cl^-_{ (aq)}}\]

Which of the following is a conjugate acid-base pair?


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.


Which among the following compounds is used as selective weed killer?


Which of these is not likely to act as Lewis base?


What are Lewis acids and bases? Give two examples for each.


Discuss the Lowry – Bronsted concept of acids and bases.


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.


Name one amphoteric solvent.


Omeoprazole and lansoprazole are used as ______.


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.


Calculate pH of 0.01 M NaOH.


Define acids according to Bronsted-Lowry theory.


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