Which below is the proper equation(s) for ionization of nitrous acid?       a)  HNO3   +    H2O    -->    H3O+    +     NO3-   b)  HNO3   +    H2O    -->    H2NO3+    +    OH-   c)  HNO2   +    H2O    -->    H3O+    +     NO2-   d)  HNO2   +    H2O    <-->    H3O+    +     NO2-   e)  H2NO3    +    2 H2O    <-->    2 H3O+    +     NO32-   f)  HNO3   +    H2O    <-->    H2NO3+    +    OH-   g)  HNO3   +    H2O    <-->    H3O+    +     NO3-

Appl Of Ms Excel In Analytical Chemistry
2nd Edition
ISBN:9781285686691
Author:Crouch
Publisher:Crouch
Chapter7: Neutralization Titrations And Graphical Representations
Section: Chapter Questions
Problem 2P
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Which below is the proper equation(s) for ionization of nitrous acid?

 

 

 

a) 

HNO3   +    H2O    -->    H3O+    +     NO3-

 

b) 

HNO3   +    H2O    -->    H2NO3+    +    OH-

 

c) 

HNO2   +    H2O    -->    H3O+    +     NO2-

 

d) 

HNO2   +    H2O    <-->    H3O+    +     NO2-

 

e) 

H2NO3    +    2 H2O    <-->    2 H3O+    +     NO32-

 

f) 

HNO3   +    H2O    <-->    H2NO3+    +    OH-

 

g) 

HNO3   +    H2O    <-->    H3O+    +     NO3-

Expert Solution
Step 1

D option is the correct option.

Nitrous acid is a weak acid. Nitric acid, on the other hand, is a strong acid. This can be explained by the fact that the conjugate base of nitric acid is much more stable than the conjugate base of nitrous acid.So, there will be a equilibrium established between the two.

 

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