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Which of the following compounds is a Lewis acid? In terms of acid strength, HNO2 is...

Which of the following compounds is a Lewis acid?

In terms of acid strength, HNO2 is stronger than HF, which stronger than HC2H3O2, which is stronger than HClO. Which of the following statements is correct? (Select all that apply, more than one choice can be correct)

a.

F- is a stronger base than ClO-
b.

C2H3O2- is a stronger base than F-
c.

ClO- is a stronger base than NO2-
d.

C2H3O2- is a stronger base than ClO-
e.

NO2- is a stronger base than F-
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Answer #1

Strong acid have a weak conjugate base. According to acid strength,

HClO < HC2H3O2 < HF < HNO2 ( increasing acidic strength)

So, opposite will be the conjugate base order.

NO2- < F- < C2H3O2- < ClO- ( increasing basic strength)

So, correct options are--

b.) C2H3O2- is a stronger base than F-.

c.) ClO- is a stronger base than NO2-.

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