Identify and label the brønsted-lowry acid, its conjugate base, the brønsted-lowry base, and its conjugate acid in each of the following equations:

(a) hno3+h2o⟶h3o++no3−
(b) cn− +h2o ⟶ hcn+oh−
(c) h2so4+cl− ⟶hcl+hso4−
(d) hso4−+oh− ⟶so42−+h2o
(e) o2− + h2 o ⟶ 2oh−

Explanation:

As per Brønsted-Lowry concept of acids and bases, chemical species which donate proton are called Brønsted-Lowry acids.

The chemical species which accept proton are called Brønsted-Lowry base.

(a)

is Bronsted lowry acid and is its conjugate base.

is Bronsted lowry base and is its conjugate acid.

(b)

is Bronsted lowry base and HCN is its conjugate acid.

is Bronsted lowry acid and is its conjugate base.

(c)

is Bronsted lowry acid and is its conjugate base.

Cl^- is Bronsted lowry base and HCl is its conjugate acid.

(d)

is Bronsted lowry acid and is its conjugate base.

OH^- is Bronsted lowry base and is its conjugate acid.

(e)

is Bronsted lowry base and OH- is its conjugate acid.

is Bronsted lowry acid and OH- is its conjugate base.

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