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| 1. |
Activation energy for the acid catalysed hydration of sucrose is 6.22 kJ mol^(-1), while the activation energy is only 2.15 kJ mol^(-1) when hydrolysis is catalysed by the enzyme sucrase. Explain. |
| Answer» Solution :ENZYMES are needed only in small quantities for the progress of reaction. Similar, to the action of chemical catalyst, enzymes are SAID to reduce the MAGNITUDE of activation energy. For example, the activation energy for acid hydrolysis of sucrose is `6.22 KJ mol^(-1)`, while the activation energy is only `2.15 kJ mol^(-1)` when hydrolysed by the enzyme sucrase. | |