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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?


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

\[\ce{HCl + H2O ⇌ H3O\overset{\oplus} + Cl\overset{\ominus}{}}\]


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?


The theory which explain amphoteric nature of water is ______.


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 among the following compounds is used as selective weed killer?


In which oxidation state, group 15 elements act as Lewis base?


Conjugate base for Bronsted acids H2O and HF are ___________.


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?


Discuss the Lowry – Bronsted concept of acids and bases.


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.


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.


Define conjugate acid-base pair.


According to Lowry-Bronsted concept, base is a substance which acts as ______.


Vinegar contains ______ acid.


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