Question

Q. 11



h2o2 does not liberate oxygen when it reacts with



1)



naocl 



2)



mno2/h+



3)



cl2  



4)



c6h6

Answer 1

the answer for this question is 3

Answer 2

"It seems this what you are looking for"

H₂O₂ does not liberate oxygen when it reacts with:

1)NaOCl      2)MnO₂/H⁺     3)Cl₂    4)C₆H₆

Answer:

Hydrogen peroxide H₂O₂ does not liberate the oxygen on the reaction with benzene C₆H₆.

Explanation:

• H₂O₂ gives NaCl, oxygen and water on the reaction with NaOCl

                       $H_{2}O_{2}+NaOCl$   →   $NaCl+H_{2}O+O_{2}$

• By reacting H₂O₂ with MnO₂/H⁺, we get:

               $H_{2}O_{2}+MnO_{2}+2H^{+}$  →  $Mn^{2+}+H_{2}O+O_{2}$

• H₂O₂ reacts with Cl₂  gives :

                    $H_{2}O_{2}+Cl_{2}$   →  $2HCl + O_{2}$

• When H₂O₂ reacts with benzene. It gives phenol and does not liberate oxygen.

                 $H_{2}O_{2}+C_{6}H_{6}$    →  $C_{6}H_{5}OH +H_{2}O$

Therefore benzene and hydrogen peroxide's reaction does not liberate oxygen. So the option (4) is correct.