Page No 198: - Chapter 7 - P - Block Elements - Intext Solutions - Ncert Solutions class 12 - Chemistry
Updated On 11-02-2025 By Lithanya
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Question 7.29:
Give the reason for bleaching action of Cl2.
Answer:
When chlorine reacts with water, it produces nascent oxygen. This nascent oxygen then combines with the coloured substances present in the organic matter to oxide them into colourless substances.
Coloured substances + [O] → Oxidized colourless substance
Question 7.30:
Name two poisonous gases which can be prepared from chlorine gas.
Answer:
Two poisonous gases that can be prepared from chlorine gas are
(i) Phosgene (COCl2)
(ii) Mustard gas (ClCH2CH2SCH2CH2Cl)
Page No 202:
Question 7.31:
Why is ICl more reactive than I2?
Answer:
ICl is more reactive than I2 because I−Cl bond in ICl is weaker than I−I bond in I2.