Which one of the following methods is most suitable for preparing...

Which one of the following methods is most suitable for preparing deionized water?

Options

ASynthetic resin method
BCalgon's method
CClark's method
DPermutit method

Correct answer

A. Synthetic resin method

Step-by-step solution

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 ) + {M}^{2 +} ( aq ) ⇌ {MR}_{2} ( S ) + 2{H}^{+} ( aq )

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