Chemistry Exam  >  Chemistry Questions  >  It is known that pKa of water is 15.7. Based ... Start Learning for Free
It is known that pKa of water is 15.7. Based on this water pKa benchmark, arrange the fo llowing solvated metals–aqua io ns in order of their increasing acidity : Mn2+(H2O)6 , Fe3+(H2O)6, Cu2+(H2O)6 ,Ca2+(H2O)6

  • a)
    All have same acidit ies

  • b)
    Ca2+ < Cu2+ < Mn2+ < Fe3+

  • c)
    Fe3+ < Cu2+ < Mn2+ < Ca2+

  • d)
    Ca2+, Mn2+, Fe3+, Cu2+

Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
It is known that pKa of water is 15.7. Based on this water pKa benchma...
I'm sorry, but you haven't provided a list of solvated metals for me to arrange. Could you please provide the list so that I can assist you further?
Free Test
Community Answer
It is known that pKa of water is 15.7. Based on this water pKa benchma...
Correct Answer :- D
Explanation : The general trend of increasing electronegativity of the element when moving from left to right ia any horizontal row. The electronegativity increases due to which charge separation and ionization of hydrides increases.This increases the acidic strength of hydrides. 
The correct order is :
Ca2+, Mn2+, Fe3+, Cu2+
Explore Courses for Chemistry exam

Top Courses for Chemistry

Question Description
It is known that pKa of water is 15.7. Based on this water pKa benchmark, arrange the fo llowing solvated metals–aqua io ns in order of their increasing acidity : Mn2+(H2O)6 , Fe3+(H2O)6, Cu2+(H2O)6 ,Ca2+(H2O)6a)All have same acidit iesb)Ca2+ < Cu2+ < Mn2+ < Fe3+c)Fe3+ < Cu2+ < Mn2+ < Ca2+d)Ca2+, Mn2+, Fe3+, Cu2+Correct answer is option 'D'. Can you explain this answer? for Chemistry 2025 is part of Chemistry preparation. The Question and answers have been prepared according to the Chemistry exam syllabus. Information about It is known that pKa of water is 15.7. Based on this water pKa benchmark, arrange the fo llowing solvated metals–aqua io ns in order of their increasing acidity : Mn2+(H2O)6 , Fe3+(H2O)6, Cu2+(H2O)6 ,Ca2+(H2O)6a)All have same acidit iesb)Ca2+ < Cu2+ < Mn2+ < Fe3+c)Fe3+ < Cu2+ < Mn2+ < Ca2+d)Ca2+, Mn2+, Fe3+, Cu2+Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Chemistry 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for It is known that pKa of water is 15.7. Based on this water pKa benchmark, arrange the fo llowing solvated metals–aqua io ns in order of their increasing acidity : Mn2+(H2O)6 , Fe3+(H2O)6, Cu2+(H2O)6 ,Ca2+(H2O)6a)All have same acidit iesb)Ca2+ < Cu2+ < Mn2+ < Fe3+c)Fe3+ < Cu2+ < Mn2+ < Ca2+d)Ca2+, Mn2+, Fe3+, Cu2+Correct answer is option 'D'. Can you explain this answer?.
Solutions for It is known that pKa of water is 15.7. Based on this water pKa benchmark, arrange the fo llowing solvated metals–aqua io ns in order of their increasing acidity : Mn2+(H2O)6 , Fe3+(H2O)6, Cu2+(H2O)6 ,Ca2+(H2O)6a)All have same acidit iesb)Ca2+ < Cu2+ < Mn2+ < Fe3+c)Fe3+ < Cu2+ < Mn2+ < Ca2+d)Ca2+, Mn2+, Fe3+, Cu2+Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Chemistry. Download more important topics, notes, lectures and mock test series for Chemistry Exam by signing up for free.
Here you can find the meaning of It is known that pKa of water is 15.7. Based on this water pKa benchmark, arrange the fo llowing solvated metals–aqua io ns in order of their increasing acidity : Mn2+(H2O)6 , Fe3+(H2O)6, Cu2+(H2O)6 ,Ca2+(H2O)6a)All have same acidit iesb)Ca2+ < Cu2+ < Mn2+ < Fe3+c)Fe3+ < Cu2+ < Mn2+ < Ca2+d)Ca2+, Mn2+, Fe3+, Cu2+Correct answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of It is known that pKa of water is 15.7. Based on this water pKa benchmark, arrange the fo llowing solvated metals–aqua io ns in order of their increasing acidity : Mn2+(H2O)6 , Fe3+(H2O)6, Cu2+(H2O)6 ,Ca2+(H2O)6a)All have same acidit iesb)Ca2+ < Cu2+ < Mn2+ < Fe3+c)Fe3+ < Cu2+ < Mn2+ < Ca2+d)Ca2+, Mn2+, Fe3+, Cu2+Correct answer is option 'D'. Can you explain this answer?, a detailed solution for It is known that pKa of water is 15.7. Based on this water pKa benchmark, arrange the fo llowing solvated metals–aqua io ns in order of their increasing acidity : Mn2+(H2O)6 , Fe3+(H2O)6, Cu2+(H2O)6 ,Ca2+(H2O)6a)All have same acidit iesb)Ca2+ < Cu2+ < Mn2+ < Fe3+c)Fe3+ < Cu2+ < Mn2+ < Ca2+d)Ca2+, Mn2+, Fe3+, Cu2+Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of It is known that pKa of water is 15.7. Based on this water pKa benchmark, arrange the fo llowing solvated metals–aqua io ns in order of their increasing acidity : Mn2+(H2O)6 , Fe3+(H2O)6, Cu2+(H2O)6 ,Ca2+(H2O)6a)All have same acidit iesb)Ca2+ < Cu2+ < Mn2+ < Fe3+c)Fe3+ < Cu2+ < Mn2+ < Ca2+d)Ca2+, Mn2+, Fe3+, Cu2+Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice It is known that pKa of water is 15.7. Based on this water pKa benchmark, arrange the fo llowing solvated metals–aqua io ns in order of their increasing acidity : Mn2+(H2O)6 , Fe3+(H2O)6, Cu2+(H2O)6 ,Ca2+(H2O)6a)All have same acidit iesb)Ca2+ < Cu2+ < Mn2+ < Fe3+c)Fe3+ < Cu2+ < Mn2+ < Ca2+d)Ca2+, Mn2+, Fe3+, Cu2+Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice Chemistry tests.
Explore Courses for Chemistry exam

Top Courses for Chemistry

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev