Trusted by millions of Kenyans
LoginRegister
Study resources on Kenyaplex

Get ready-made curriculum aligned revision materials

Exam papers, notes, holiday assignments and topical questions – all aligned to the Kenyan curriculum.

Browse exam papers
Or go directly to:
Class notes Holiday assignments Topical questions Other resources

An experiment was carried out to investigate the rate of reaction shown below Sucrose ?Fructose + Glucose ...

An experiment was carried out to investigate the rate of reaction shown below
Sucrose →Fructose + Glucose
For the products fructose and glucose to be formed, it was found that substance K was to be added and the temperature maintained at 370C. When another substance L was added, the reaction slowed down and eventually stopped
a) Suggest the identify of substances K and L
b) Other than temperature state three ways by which the rate of reaction could be increased
c) Explain how substance L slowed down the reaction

Answers

Davis
a)K-Enzymes/ Sucrose/ Invertase/ Saccharise
L- Inhibitor Acceptance any example e.g. any acid

b)Addition of sucrose/ substrate
- Optimum/ suitable/ correct / right pH
- Removal of products

c)- Competed with substance: for active site (of K)
- Acc. L made the medium acidic; unsuitable for K
- L occupies active sites
Githiari answered the question on September 25, 2017 at 16:59

Answer Attachments

Next: Write an equation for the reaction that takes place when equal volumes of chlorine gas react with propane

Previous: What is the biological importance of the larval stage during metamorphosis?

View more Chemistry Questions and Answers  |  Return to Questions Index

Exams With Marking Schemes

Related Questions