A. Choose three examples of molecules or ions that are Bronsted-Lowry bases but

Question

A. Choose three examples of molecules or ions that are Bronsted-Lowry bases but not Arrhenius bases.

Check all that apply.

NO2?

B. Which of the following species behave as strong acids in aqueous solution?

Check all that apply.

C. Which of the following species behave as strong bases in aqueous solution?

Check all that apply.

HSO4? CN? NH3 NH4+ HNO2

NO2?

B. Which of the following species behave as strong acids in aqueous solution?

Check all that apply.

HNO2 O2? HNO3 H2SO4 Cl? NH4+ H?

C. Which of the following species behave as strong bases in aqueous solution?

Check all that apply.

H? HNO2 H2SO4 Cl? HNO3 O2? NH4+

Explanation / Answer

Arrhenius acid: Compound which gives H+ ions in aqueous solution are called as acid.

HCl, H2SO4, HNO3

Compound which gives OH- ions in aqueous solution are called base.

NaOH, Ca(OH)2, Al(OH)3

Bronsted- Lowry acid: Proton (H+) donor is called as an acid.

HCl, CH3COOH, H2SO4

Proton acceptor is called as a base.

NH3, Cl-, CN-.

------------------

(A)

Bronsted-Lowry bases but not Arrhenius bases are,

HSO4-

CN-

NO2-

NH3

These all are accept proton but not gives OH-

--------

(B)

Strong acids: the acid which dissociate completely are called as strong acids.

Strong acids are

HNO3,

H2SO4,

NH4+

-------

(C)

Strong bases are,

H-,

Cl-

O2-

These all Ions accept H+ ion

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