Question 45767

Organic Chemistry

5. The iodine for this experiment is in the form of i3, and not l2
Why is this form of iodine used?

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Question 45766

Organic Chemistry

What happened to the hydrogen atoms that were present in the ascorbic acıd?а.
b. Acid was added in the titration, but it is not present in equation (2) in a stoichiometric amount.So, what is the purpose of the acid?

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Question 45765

Organic Chemistry

3. Write the net ionic equation for the conversion of iodine, I, to iodide, I. What kind of reaction is this?

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Question 45764

Organic Chemistry

2. Vitamin C is ascorbic acid. If you examine the structure of ascorbic acid given in the Background section (equation 2), there is no -COOH group present. In the structure shown, the ascorbic acid isas a lactone or cyclic ester. Write the equation for the hydrolysis (cleavage by addition of water) of the lactone to the carboxylic acid.

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Question 45763

Organic Chemistry

1. Use the average concentration of vitamin C from your data, and calculate the volume of fruit drink that would satisfy your minimum daily requirement of vitamin C.

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Question 45762

Organic Chemistry

. To mark the endpoint of the titration, what indicator is used and how does it work?

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Question 45761

Organic Chemistry

In the reaction under study, what is the molar ratio between the abscorbic acid and the iodine?

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Question 45760

Organic Chemistry

What enzyme is kept in its active form by the presence of vitamin C in the diet?

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Question 45759

Organic Chemistry

5. What disease does this vitamin prevent?

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Question 45758

Organic Chemistry

4. How does vitamin C behave in a biological system?

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