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Q: Why must the reactants be in large excesss in the iodine clock reaction but not in the reaction where the order is being determined?
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Why starch is added in iodometric titration?

The color formed by reaction between starch and iodine is much more intense than the color of iodine itself, so that the end point can be determined more sensitively with than without starch.


When iodine is added to alcohol what type of reaction is it?

When iodine is dissolved in alcohol, it forms a mixture of iodine and alcohol, which is physical.


Why iodine is used in grignard reaction?

iodine is used in girgnard's reaction bcz girgnard took this RX group and x indicates halogen group iodine is one of element of this group.


Why does the concentration of iodine ions remains constant in the iodine clock reaction?

Iodine ion is not consumed; in the first step the iodine ion is oxidized to iodine, in the second step iodine is reduced to iodine ion.


How is this number determined?

iodine no is no of gms of iodine equivalent to ICl consumed by 100gms of oil. iodine no.=vol. of iodine used( ICl)* normality* equivalent weight of iodine / weight of oil sample


Will fluorine replace iodine in a reaction?

Yes. Fluorine is more reactive than iodine.


Why would I have a severe reaction to Iodine Isotopes durning a scan when I am not allergic to Shrimp?

Even though you may not have an allergy to shrimp or other shell fish, you can still have a reaction to the iodine isotopes. When a reaction occurs, there may be an allergy to the providone-iodine prep.


What uses iodine in a synthesis reaction?

Thyroid


Is there a reaction with lithium chloride and iodine?

lol


Why is it important to stir H2O2 in the iodine clock reaction?

The motivation is to accelerate the reaction.


A chemist synthesizes tin iodide according to the chemical reaction shown below The chemist starts with 15.0 g of tin and excess iodine After the reaction 66.3 g of tin iodide are obtained What is?

Theoretical yield is the maximum amount of product that can be obtained from a given amount of reactants, assuming the reaction goes to completion and no side reactions occur. In this case, the theoretical yield of tin iodide can be calculated by using the balanced chemical equation and the molar masses of tin and iodine.


Does iodine water react with potassium fluoride?

Yes, iodine (Iā‚‚) can react with potassium fluoride (KF). The reaction between iodine and potassium fluoride typically involves the displacement of fluorine in potassium fluoride by iodine. The balanced chemical equation for this reaction is: [I_2 + 2KF \rightarrow 2KI + F_2] In this reaction, iodine displaces fluorine in potassium fluoride, forming potassium iodide (KI) and elemental fluorine (Fā‚‚). It's worth noting that the reaction conditions, such as temperature and solvent, can influence the reaction kinetics and outcomes.