Which one of the following methods is most suitable for preparing deionized water ? (A) Permutit met — JEE Mains Chemistry Past Papers Chemistry Question
Question
Which one of the following methods is most suitable for preparing deionized water ? (A) Permutit method (B) Synthetic resin method (C) Calgon’s method (D) Clark’s method fuEufyf[kr esa ls dkSulh ,d fof/k fovk;fur ty rS;’kj djus ds fy, lokZf/kd mi;qdr gS \ (1) ijE;wfVV fof/k (2) la'ysf"kr jsftu fof/k (3) dsyxku fof/k (4) DykdZ fof/k
Answer: B
💡 Solution & Explanation
Pure de-mineralised (de-ionised) water free from all soluble mineral salt is obtained by passing water successively through a cation exchange and an anion exchange resins. 2RH(S) + M2+ (aq) MR2 (S) + 2H+ (aq)
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