
Decomposition of ${H_2}{O_2}$ is retarded by?
(a)Acetanilide
(b)$Mn{O_2}$
(c)Zinc
(d)Finely divided metal
Answer
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Hint: To answer this question you should have the proper knowledge of the properties of hydrogen peroxide$\left( {{H_2}{O_2}} \right)$, its reaction with the compounds and elements given in the options above. You should also know the definition or meaning of the decomposition.
Complete answer:
Decomposition of ${H_2}{O_2}$ is retarded by acetanilide. Therefore, option A is the correct option. Decomposition of hydrogen peroxide is not only retarded by acetanilide but also gets retarded by small amounts of acid, glycerol and alcohol also. Hydrogen peroxide also gets decomposed in the presence of light but with a slower rate. It is stored in a weakly acidic solution with a stabilizer in a dark bottle to prevent it from reacting with other elements. It is found in the biological systems which also includes the human body. In biological systems, hydrogen peroxide is decomposed by the enzymes and these enzymes are classified as peroxidases. It also has a higher boiling as compared to that of water.
Note:
Hydrogen peroxide is mainly called as the simplest peroxide. It contains two oxygen atoms bonded with each other through a single bond also known as sigma bond. When hydrogen peroxide is present in its pure form, then it becomes very pale blue liquid, slightly more viscous than water. It is mostly used as an oxidizer, bleaching agent and also as an antiseptic.
Complete answer:
Decomposition of ${H_2}{O_2}$ is retarded by acetanilide. Therefore, option A is the correct option. Decomposition of hydrogen peroxide is not only retarded by acetanilide but also gets retarded by small amounts of acid, glycerol and alcohol also. Hydrogen peroxide also gets decomposed in the presence of light but with a slower rate. It is stored in a weakly acidic solution with a stabilizer in a dark bottle to prevent it from reacting with other elements. It is found in the biological systems which also includes the human body. In biological systems, hydrogen peroxide is decomposed by the enzymes and these enzymes are classified as peroxidases. It also has a higher boiling as compared to that of water.
Note:
Hydrogen peroxide is mainly called as the simplest peroxide. It contains two oxygen atoms bonded with each other through a single bond also known as sigma bond. When hydrogen peroxide is present in its pure form, then it becomes very pale blue liquid, slightly more viscous than water. It is mostly used as an oxidizer, bleaching agent and also as an antiseptic.
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