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Question
The catalyst used to reduce the decomposition of hydrogen peroxide is
The catalyst used to reduce the decomposition of hydrogen peroxide is
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Solution
The correct option is D Phosphoric acid
A catalyst is a substance which alters the rate of the chemical reaction without itself undergoing any chemical change. There are two types of catalysts:
(a) Positive catalyst: Catalyst which increases the rate of the reaction.
(b) Negative catalyst: Catalyst which decreases the rate of the reaction.
Phosphoric acid is a negative catalyst used to reduce the decomposition of hydrogen peroxide. The reaction for the decomposition of hydrogen peroxide is:
2H2O2(g)H3PO4→2H2O(l)+2O2(g)
Phosphoric acid
A catalyst is a substance which alters the rate of the chemical reaction without itself undergoing any chemical change. There are two types of catalysts:
(a) Positive catalyst: Catalyst which increases the rate of the reaction.
(b) Negative catalyst: Catalyst which decreases the rate of the reaction.
Phosphoric acid is a negative catalyst used to reduce the decomposition of hydrogen peroxide. The reaction for the decomposition of hydrogen peroxide is:
2H2O2(g)H3PO4→2H2O(l)+2O2(g)
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