Question

write balanced equation for the following
1)chlorine gas is passed in a soltion of NaI in H2O
2)chlorine reaction with hot and concentrate alkalies
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Answer 1

Answer:(1) brown vapour of iodine is formed.

(2) chlorate ions are formed.

Explanation:

(1) Cl2+ 2NaI = 2NaCl + I2

(2) 3Cl2 + 6NaOH = 5NaCl +NaClO3 + 3H2O