Q.
When chlorine gas passes through a concentrated solution of alkali. I. FeSO2 acts as reducing agent. II. KClO3 is reduced. III. Products formed are 5Cl-,ClO3-and 3H2O. Which of the above statements is/are correct?
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a
Only II
b
I and II
c
I and III
d
II and III
answer is C.
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Detailed Solution
When chlorine gas passes through a concentrated solution of alkali, the following chemical reaction occurs.Cl2+OH-(aq)⟶Cl-(aq)+ClO3-After balancing this equation, we have3Cl23 mol+6OH-6 mol(aq)⟶5Cl-(aq)+ClO3-(aq)+3H2O
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