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ankoles [38]
3 years ago
13

Identify the brønsted-lowry acid, the brønsted-lowry base, the conjugate acid, and the conjugate base in each reaction: (a) c5h5

n(aq)+h2o(l)⇌c5h5nh+(aq)+oh−(aq) (b) hno3(aq)+h2o(l)⇌h3o+(aq)+no3−(aq) drag the appropriate items to their respective bins.
Chemistry
2 answers:
Pie3 years ago
7 0

acids give away protons (H+), bases accept protons, conjugate bases are what u get when when you take the protons from the acid, and conjugate acids are what u get when you add the protons to the base.

so for (a) the C5H5N is the base, water is the acid, C5H5NH+ is the conj acid, OH- is the conj base

(b) HNO3 is the acid, H2O is the base, hydronium ion is the conj. acid, NO3- is the conj base.

raketka [301]3 years ago
4 0

Answer: a) C_5H_5N(aq.)+H_2O(l)\rightarrow C_5H_5NH^+(aq.)+OH(aq.)

bronsted- lowry acid : H_2O

conjugate base : OH^-

bronsted- lowry base : C_5H_5N

conjugate acid : C_5H_5NH^+

b) HNO_3(aq)+H_2O(l)\rightarrow H_3O^+(aq.)+NO_3^-(aq.)

bronsted-lowry acid : HNO_3

conjugate base : NO_3^-

bronsted- lowry base : H_2O

conjugate acid : H_3O^+

Explanation:

According to the Bronsted-Lowry conjugate acid-base theory, an acid is defined as a substance which looses donates protons and thus forming conjugate base and a base is defined as a substance which accepts protons and thus forming conjugate acid.

For the given chemical equation:

a) C_5H_5N(aq.)+H_2O(l)\rightarrow C_5H_5NH^+(aq.)+OH(aq.)

Here, H_2O is loosing a proton, thus it is considered as a brønsted-lowry acid and after losing a proton, it forms OH^- which is a conjugate base.

And, C_5H_5N is gaining a proton, thus it is considered as a brønsted-lowry base and after gaining a proton, it forms C_5H_5NH^+ which is a conjugate acid.

b) HNO_3(aq)+H_2O(l)\rightarrow H_3O^+(aq.)+NO_3^-(aq.)

Here, HNO_3 is loosing a proton, thus it is considered as a brønsted-lowry acid and after losing a proton, it forms NO_3^- which is a conjugate base.

And, H_2O is gaining a proton, thus it is considered as a brønsted-lowry base and after gaining a proton, it forms H_3O^+ which is a conjugate acid.

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