4. Identify the conjugate acid-base pairs in the following reaction: NH. + HFS 3(aq) NH + F 4 (aq) (aq) (aq) 7. Predict the direction of the reaction in number 4 equation and tell whether the equilibrium constant is greater than or smaller than 1.

Chemistry
10th Edition
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Conjugate acid of any base is defined as the
species formed when the base accepts a
proton.
And the conjugate base of any acid is defined
as the species formed when the base donates
a proton.
Hence in the conjugate acid-base pair, there
will be a difference of 1 proton only.
In the above reaction, the base NH3 is
accepting a proton from the acid HF to form
+
NH4* ions.
Hence NH3/NH4* is a conjugate acid-base
pair.
And the acid HF is donating a proton to form
the conjugate base F.
Hence HF/F is a conjugate acid-base pair.
Hence the answer is NH3/NH4* & HF/F".
ANSWER IN NO. 4
Transcribed Image Text:Conjugate acid of any base is defined as the species formed when the base accepts a proton. And the conjugate base of any acid is defined as the species formed when the base donates a proton. Hence in the conjugate acid-base pair, there will be a difference of 1 proton only. In the above reaction, the base NH3 is accepting a proton from the acid HF to form + NH4* ions. Hence NH3/NH4* is a conjugate acid-base pair. And the acid HF is donating a proton to form the conjugate base F. Hence HF/F is a conjugate acid-base pair. Hence the answer is NH3/NH4* & HF/F". ANSWER IN NO. 4
4. Identify the conjugate acid-base pairs in the following
reaction:
NH,
+ HF
3(aq)
S NH
+ F
4 (aq)
(aq)
(aq)
7. Predict the direction of the reaction in number 4 equation
and tell whether the equilibrium constant is greater than
or smaller than 1.
Transcribed Image Text:4. Identify the conjugate acid-base pairs in the following reaction: NH, + HF 3(aq) S NH + F 4 (aq) (aq) (aq) 7. Predict the direction of the reaction in number 4 equation and tell whether the equilibrium constant is greater than or smaller than 1.
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