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Account for the following: (a) Chlorine water has both oxidizing and bleaching properties. (b) H3PO2 and H3PO3 act as as good reducing agents while H3PO4 does not. (c) On addition of ozone gas to KI solution, violet vapours are obtained.

Account for the following:
(a) Chlorine water has both oxidizing and bleaching properties.
(b) H3PO2 and H3PO3 act as as good reducing agents while H3PO4 does not.
(c) On addition of ozone gas to KI solution, violet vapours are obtained.

Grade:11

2 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
6 years ago
(a)chlorine need one more electron to complete its octet,thus it reduces itself and act as an oxidising agent.
When chlorine is added to water, underchloric acids form:
Cl2 + H2O -> HOCl + H+ + Cl-
Due to its bleaching action it acts as an disinfectant
(b)H3PO4 is already fully oxidized; it cannot accept another oxygen atom, so cannot reduce something. whereas H3PO2 and H3PO3 can accept two and one oxygen respectively
(c)violet vapours are produced due to evolution of hydrogen gas
TheStoner
11 Points
4 years ago
C) violet color is due to liberation of Iodine gas. Ignore tge following:Again call dark am an ask all all am ask aaj in was was KC ez jail as add layak SF lark add a SC ez of as many as you as ez in ez was add a SC JC ax SSH was add was SC and ez a WD ex was KC as in

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