Identify the products formed during the preparation of oxygen when hydrogen peroxide is decomposed by manganese dioxide?

Water and oxygen

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Hydrogen and water

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Sulphur dioxide and oxygen

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Water and nitrogen dioxide

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Solution

The correct option is A Water and oxygen
Hydrogen peroxide undergoes decomposition reaction under the action of manganese dioxide. This meethod is widely used in the laboratory preparation of oxygen.
$2 H_{2} O_{2} (aq)_{2} 2 H_{2} O (l) + O_{2} (g)$

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Identify the products formed during the preparation of oxygen when hydrogen peroxide is decomposed by manganese dioxide?

The correct option is A Water and oxygenHydrogen peroxide undergoes decomposition reaction under the action of manganese dioxide. This meethod is widely used in the laboratory preparation of oxygen. 2H2O2(aq) MnO2−−−→ 2H2O(l) + O2(g)

The correct option is A Water and oxygen
Hydrogen peroxide undergoes decomposition reaction under the action of manganese dioxide. This meethod is widely used in the laboratory preparation of oxygen.
$2 H_{2} O_{2} (aq)_{2} 2 H_{2} O (l) + O_{2} (g)$