NEET Exam > NEET Questions > What is the minimum pH required to prevent th...
Start Learning for Free
What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4?
Verified Answer
What is the minimum pH required to prevent the precipitation of ZnS in...
This question is part of UPSC exam. View all NEET courses
Most Upvoted Answer
What is the minimum pH required to prevent the precipitation of ZnS in...
To determine the minimum pH required to prevent the precipitation of ZnS in a solution of 0.01 M ZnCl2, we need to consider the solubility product constant (Ksp) of ZnS.
The solubility product constant (Ksp) is a measure of the equilibrium concentration of ions in a saturated solution. For ZnS, the Ksp expression is:
Ksp = [Zn2+][S2-]
The solubility of ZnS will depend on the concentration of Zn2+ and S2- ions in the solution. In this case, the concentration of Zn2+ is given as 0.01 M.
To prevent the precipitation of ZnS, the product of the concentrations of Zn2+ and S2- ions should be less than or equal to the Ksp value. In other words:
[Zn2+][S2-] ≤ Ksp
Since the concentration of Zn2+ is given as 0.01 M, the concentration of S2- can be calculated by rearranging the equation:
[S2-] ≤ Ksp / [Zn2+]
Now, we need to determine the Ksp value for ZnS. The Ksp value for ZnS is 1.6 x 10^-25.
[S2-] ≤ (1.6 x 10^-25) / (0.01)
[S2-] ≤ 1.6 x 10^-23 M
Therefore, the minimum concentration of S2- ions required to prevent the precipitation of ZnS is 1.6 x 10^-23 M.
To calculate the minimum pH required, we need to know the pKa value of the acidic species that produces S2- ions in the solution. The pKa value represents the acidity of an acidic species. Without this information, it is not possible to determine the specific pH required to prevent ZnS precipitation.
The solubility product constant (Ksp) is a measure of the equilibrium concentration of ions in a saturated solution. For ZnS, the Ksp expression is:
Ksp = [Zn2+][S2-]
The solubility of ZnS will depend on the concentration of Zn2+ and S2- ions in the solution. In this case, the concentration of Zn2+ is given as 0.01 M.
To prevent the precipitation of ZnS, the product of the concentrations of Zn2+ and S2- ions should be less than or equal to the Ksp value. In other words:
[Zn2+][S2-] ≤ Ksp
Since the concentration of Zn2+ is given as 0.01 M, the concentration of S2- can be calculated by rearranging the equation:
[S2-] ≤ Ksp / [Zn2+]
Now, we need to determine the Ksp value for ZnS. The Ksp value for ZnS is 1.6 x 10^-25.
[S2-] ≤ (1.6 x 10^-25) / (0.01)
[S2-] ≤ 1.6 x 10^-23 M
Therefore, the minimum concentration of S2- ions required to prevent the precipitation of ZnS is 1.6 x 10^-23 M.
To calculate the minimum pH required, we need to know the pKa value of the acidic species that produces S2- ions in the solution. The pKa value represents the acidity of an acidic species. Without this information, it is not possible to determine the specific pH required to prevent ZnS precipitation.
Community Answer
What is the minimum pH required to prevent the precipitation of ZnS in...
(B)
Attention NEET Students!
To make sure you are not studying endlessly, EduRev has designed NEET study material, with Structured Courses, Videos, & Test Series. Plus get personalized analysis, doubt solving and improvement plans to achieve a great score in NEET.
|
|
Explore Courses for NEET exam
|
|
Similar NEET Doubts
Top Courses for NEETView all
What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4?
Question Description
What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4?.
What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4?.
Solutions for What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? in English & in Hindi are available as part of our courses for NEET.
Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free.
Here you can find the meaning of What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? defined & explained in the simplest way possible. Besides giving the explanation of
What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4?, a detailed solution for What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? has been provided alongside types of What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? theory, EduRev gives you an
ample number of questions to practice What is the minimum pH required to prevent the precipitation of ZnS in a solution that is o.o1 (M) zncl2 & saturated with 0.10(M) H2S ? Given Ksp =10^-21 & Ka1xKa2 = 10^-20 a)0. b)1 c)2 .d)4? tests, examples and also practice NEET tests.
|
|
Explore Courses for NEET exam
|
|
Suggested Free Tests
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up
within 7 days!
within 7 days!
Takes less than 10 seconds to signup