H3PO4 retards the decomposition of H2O2 therefore it is a
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a) auto catalyst b)positive catalyst c)negative catalyst d)poison
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it is not decomposition reaction
it is a phosphoric reaction
a) auto catalyst b)positive catalyst c)negative catalyst d)poison
in ma sa kn c correct ha
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H3PO4 retards the decomposition of H2O2 since it acts as the negative catalyst.
Negative catalysts are those substances which help to slow the chemical reaction by reducing the activation energy that is required for the reaction.
Hence decomposition of hydrogen peroxide slows down with the addition of phosphoric acid with the substance.
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