Essential Chemistry for IGCSE - Rate Of Reaction (Section 3 - No. 24)

If a reaction has a high activation energy, what does this imply?
The reaction will proceed very quickly.
The reaction will require a catalyst.
The reaction will require a high temperature to proceed.
The reaction will not occur.

Explanation

Higher activation energy implies that a greater input of energy (e.g., high temperature) is needed.

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