+1 vote
in Environmental Engineering by (81.4k points)
The hypochlorous acid is ______ times effective as hypochorite ions.

(a) 10

(b) 30

(c) 50

(d) 80

I had been asked this question in an interview.

My question is based upon Chlorination topic in division Properties of Disinfection of Environmental Engineering

1 Answer

+2 votes
by (693k points)
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Best answer
The correct choice is (d) 80

Explanation: The hypochlorous acid is 80 times more effective as hypochorite ions, so the pH of water to be treated should be less than 7 to prevent the ionization of it.

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