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When Zeolite, which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with which of the following ion(s)?
(i) H+ ions
(ii) Mg2+ ions
(iii) Ca2+ ions
(iv) SO42– ions
  • a)
    (i) and (ii)
  • b)
    (ii) and (iii)
  • c)
    (iii) and (iv)
  • d)
    (i) and (iv)
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
When Zeolite, which is hydrated sodium aluminium silicate is treated ...
Permutit or zeolites are packed in a suitable container and a slow stream of hard water is passed through this material. As a result, calcium and magnesium ions present in hard water are exchanged with sodium ions in the permutit (Na + Al-Silicate). The outgoing water contains sodium salts, which do not cause hardness.
CaCl2 ​+ 2Na+ → Ca(Al−silicate)2 ​+ 2NaCl
MgCl2 ​ + 2Na+ → Ca(Al−silicate)2 ​+ 2MgCl
So here the sodium ions are exchanged with both Ca2+ and Mg2+ ions.
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When Zeolite, which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with which of the following ion(s)?(i) H+ ions(ii) Mg2+ ions(iii) Ca2+ ions(iv) SO42– ionsa)(i) and (ii)b)(ii) and (iii)c)(iii) and (iv)d)(i) and (iv)Correct answer is option 'B'. Can you explain this answer?
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When Zeolite, which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with which of the following ion(s)?(i) H+ ions(ii) Mg2+ ions(iii) Ca2+ ions(iv) SO42– ionsa)(i) and (ii)b)(ii) and (iii)c)(iii) and (iv)d)(i) and (iv)Correct answer is option 'B'. Can you explain this answer? for Class 11 2024 is part of Class 11 preparation. The Question and answers have been prepared according to the Class 11 exam syllabus. Information about When Zeolite, which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with which of the following ion(s)?(i) H+ ions(ii) Mg2+ ions(iii) Ca2+ ions(iv) SO42– ionsa)(i) and (ii)b)(ii) and (iii)c)(iii) and (iv)d)(i) and (iv)Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Class 11 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for When Zeolite, which is hydrated sodium aluminium silicate is treated with hard water, the sodium ions are exchanged with which of the following ion(s)?(i) H+ ions(ii) Mg2+ ions(iii) Ca2+ ions(iv) SO42– ionsa)(i) and (ii)b)(ii) and (iii)c)(iii) and (iv)d)(i) and (iv)Correct answer is option 'B'. Can you explain this answer?.
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