GATE Civil Engineering (CE) 2020 Shift 1 Solved Paper

Question : 29 of 65

Marks: +1, -0

During chlorination process, aqueous (aq) chlorine reacts rapidly with water to form

{Cl}^{-}

{HOCl}

, and

{H}^{+}

as shown below

{Cl}_{2}( {aq})+ {H}_{2} {O} ⇌ {HOCl}+ {Cl}^{-}+ {H}^{+}

The most active disinfectant in the chlorination process from amongst the following, is

Solution:

{\HOCl}

is 80 times more active than

{OCl}^{-}

as it is very unstable. The amount or sum of

{HOCl}

and

{OCl}

is known as free available chlorine.

Go to Question:

Prev Question

Next Question