Chemistry - Complete Pblock- Question with Solution | TestHub
ChemistryComplete Pblock-p-Block 17,18Medium2 minQB
ChemistryMediumsingle choice
Cold dil NaOH
Hot dil NaOH
The compound Y and Z are respectively :
Options:
Answer:
B
Solution:
Explain the Question: Products of Cl2 with NaOH under different conditions.
Concept: Reaction of chlorine with cold and hot alkali.
Solution:
• Cold dilute NaOH:
Cl2 + 2NaOH → NaCl + NaOCl + H2O
→ Y = NaOCl (bleaching powder component).
• Hot concentrated NaOH:
3Cl2 + 6NaOH → 5NaCl + NaClO3 + 3H2O
→ Z = NaClO₃ (chlorate).
Stream:JEESubject:ChemistryTopic:Complete Pblock-Subtopic:p-Block 17,18
⏱ 2mℹ️ Source: QB
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