First slide

Hydrogen Peroxide

Question

The P^H of a solution of H₂O₂ is 6.0. Some Cl₂ gas is bubbled into this solution. Which of the following is correct ?

Moderate

A

The P^H of the resultant solution becomes 8
B

H₂ gas is liberated.
C

The P^H of the resultant solution becomes less than 6.0 and O₂ gas is liberated.
D

Cl₂O is formed in the resultant solution.

Solution

Following reation occurs,
$H_2O_2+Cl_2\rightarrow HCl+O_2$
HCl is a strong acid and so the P^H value will decrease further.

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