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Q.

Which one of the following reactions does not form gaseous product ?

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a

PbO2 + H2O2 →

b

PbS + H2O2 →

c

Cl2 + H2O2 →

d

Na2CO3 + H2O2 →

answer is B.

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Detailed Solution

→ PbO2 + H2O2 → PbO + H2O + O2↑(g)*In the above reaction the products are solid & liquids there is no formation of gaseous product.→ Cl2 + H2O2 → 2HCl + O2(g)↑→ Na2CO3 + H2O2 → NaO2 + CO2(g)↑ + H2O
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