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(A) $Transition$ metals are known to be efficient catalysts because they possess variable oxidation states and the ability to form unstable intermedia

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Transition

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(A) $Transition$ metals are known to be efficient catalysts because they possess variable oxidation states and the ability to form unstable intermediate compounds with reactants. These intermediate compounds provide an alternative pathway with lower activation energy for the reaction,thereby increasing the rate of the reaction. Thus,$Transition$ metals are the most efficient catalysts.

Which of the following metals make the most efficient catalyst?

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